Louis A. Helfrich

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18 Publications

Publication								Year
Outcomes of a Life Skills Intervention for Homeless Adults with Mental Illness Authors : Christine A. Helfrich , Louis F. Fogg Journal : The Journal of Primary Prevention Journal Reference count : 53 Volume : 28 Pages : 313-326								2007
Characterization of nutrient leaching rates from settled rainbow trout (Oncorhynchus mykiss) sludge Authors : Nathan T. Stewart , Gregory D. Boardman , Louis A. Helfrich Journal : Aquacultural Engineering Journal Reference count : 27 Volume : 35 Pages : 191-198								2006
Comparison of Water Quality and Rainbow Trout Production in Oxygenated and Aerated Raceways Authors : Michael L. Clark , Louis A. Helfrich Journal : North American Journal of Aquaculture Journal Reference count : 24 Volume : 68 Pages : 41-46								2006
Treatment of rainbow trout (Oncorhynchus mykiss) raceway effluent using baffled sedimentation and artificial substrates Authors : Nathan T. Stewart , Gregory D. Boardman , Louis A. Helfrich Journal : Aquacultural Engineering Journal Reference count : 65 Volume : 35 Pages : 166-178								2006
Plasma Cortisol Stress Response of Juvenile Chinook Salmon to Passage through Archimedes Lifts and a Hidrostal Pump Authors : Edward D. Weber , Sandra M. Borthwick , Louis A. Helfrich Journal : North American Journal of Fisheries Management Journal Reference count : 26 Volume : 22 Pages : 563-570								2002
Survival and Injury of Splittail and Chinook Salmon Passed through a Large Hidrostal Pump Authors : Louis A. Helfrich , Charles R. Liston , Brent Mefford , Ray Bark Journal : North American Journal of Fisheries Management Journal Reference count : 16 Volume : 21 Pages : 616-623								2001
Anadromous Salmonid Passage and Video Image Quality under Infrared and Visible Light at Prosser Dam, Yakima River, Washington Authors : Steve Hiebert , Louis A. Helfrich , Diana L. Weigmann , Charles Liston Journal : North American Journal of Fisheries Management Journal Reference count : 16 Volume : 20 Pages : 827-832								2000
Off-season spawning of sunshine bass (Morone chrysops×M. saxatilis) exposed to 6- or 9-month phase-shifted photothermal cycles Authors : Andrew E. Tate , Louis A. Helfrich Journal : Aquaculture Journal Reference count : 53 Volume : 167 Pages : 67-83								1998
Impacts of Trout Culture Effluent on Water Quality and Biotic Communities in Virginia Headwater Streams Authors : Jason H. Selong , Louis A. Helfrich Journal : The Progressive Fish-Culturist Journal Reference count : 68 Volume : 60 Pages : 247-262								1998
Lifelong Learning for Agency Fisheries Professionals: What are the Continuing Education Needs? Authors : William F. Murphy , Gerald H. Cross , Louis A. Helfrich Journal : Fisheries Volume : 20 Pages : 10-16								1995
Sex Steroid Hormone and Vitellogenin Levels in Striped Bass (Morone saxatilis)Maturing under 6-, 9-, and 12-Month Photothermal Cycles Authors : William G. Blythe , Louis A. Helfrich , Craig V. Sullivan Journal : General and Comparative Endocrinology Volume : 94 Pages : 122-134								1994
Content Analysis of the Pond Management Literature Authors : Diana L. Weigmann , Louis A. Helfrich Journal : Fisheries Volume : 17 Pages : 27-34								1992
Recreational Specializations and Motivations of Virginia River Anglers Authors : Brian D. Chipman , Louis A. Helfrich Journal : North American Journal of Fisheries Management Volume : 8 Pages : 390-398								1988
Abundance and Production of a Self-Sustaining Population of Rainbow Trout in the South Fork Holston River, Virginia Authors : Richard J. Neves , Steven L. Brayton , Louis A. Helfrich Journal : North American Journal of Fisheries Management Volume : 5 Pages : 584-589								1985
Cooperative Extension Service Education in Fisheries in the United States Authors : Louis A. Helfrich , Peter T. Bromley Journal : Fisheries Volume : 9 Pages : 18-21								1984
Role of Male Parental Care in Survival of Larval Bluegills Authors : Mark B. Bain , Louis A. Helfrich Journal : Transactions of the American Fisheries Society Volume : 112 Pages : 47-52								1983
Movements of Hatchery-reared Rainbow, Brook, and Brown Trout Stocked in a Virginia Mountain Stream Authors : Louis A. Helfrich , William T. Kendall Journal : The Progressive Fish-Culturist Volume : 44 Pages : 3-7								1982
Geologische gesichtspunkte zur gesteins- und gebirgs- festigkeit mit beispielen von renström, adak und laisvall Authors : H.K. Helfrich Journal : Engineering Geology Journal Reference count : 18 Volume : 2 Pages : 27-38								1967

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Louis a. helfrich

18 Publications

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Louis a. helfrich

18 Publications

You can also search
by the journal's Country or the impact indicator H-index.