TY - RPRT TI - Purification of Cyclops cultures by pH shock (Copepoda) AU - L. Bulkowski AU - W. F. Krise AU - K. A. Kraus PY - 1985 DO - 10.1163/156854085x00864 UR - https://pubs.usgs.gov/publication/1013636 ID - 1013636 ER -