Authors: TATE AE HELFRICH LA

Citation: Ae. Tate et La. Helfrich, OFF-SEASON SPAWNING OF SUNSHINE BASS (MORONE-CHRYSOPS X MORONE-SAXATILIS) EXPOSED TO 6-MONTH OR 9-MONTH PHASE-SHIFTED PHOTOTHERMAL CYCLES, Aquaculture, 167(1-2), 1998, pp. 67-83

Authors: SELONG JH HELFRICH LA

Citation: Jh. Selong et La. Helfrich, IMPACTS OF TROUT CULTURE EFFLUENT ON WATER-QUALITY AND BIOTIC COMMUNITIES IN VIRGINIA HEADWATER STREAMS, The Progressive fish-culturist, 60(4), 1998, pp. 247-262

Authors: MURPHY WF CROSS GH HELFRICH LA

Citation: Wf. Murphy et al., LIFELONG LEARNING FOR AGENCY FISHERIES PROFESSIONALS - WHAT ARE THE CONTINUING-EDUCATION NEEDS, Fisheries, 20(7), 1995, pp. 10-16

Authors: HELFRICH LA ZIMMERMAN M WEIGMANN DL

Citation: La. Helfrich et al., CONTROL OF SUSPENDED-SOLIDS AND PHYTOPLANKTON WITH FISHES AND A MUSSEL, Water resources bulletin, 31(2), 1995, pp. 307-316

Authors: BLYTHE B HELFRICH LA BEAL WE BOSWORTH B LIBEY GS

Citation: B. Blythe et al., DETERMINATION OF SEX AND MATURATIONAL STATUS OF STRIPED BASS (MORONE-SAXATILIS) USING ULTRASONIC-IMAGING, Aquaculture, 125(1-2), 1994, pp. 175-184

Authors: BLYTHE WG HELFRICH LA SULLIVAN CV

Citation: Wg. Blythe et al., SEX STEROID-HORMONE AND VITELLOGENIN LEVELS IN STRIPED BASS (MORONE-SAXATILIS) MATURING UNDER 6-MONTH, 9-MONTH, AND 12-MONTH PHOTOTHERMAL CYCLES, General and comparative endocrinology, 94(1), 1994, pp. 122-134