TY - RPRT TI - Polychlorinated biphenyls and toxaphene in Pacific tree frog tadpoles ( Hyla regilla ) from the California Sierra Nevada, USA AU - Jeffrey E. Angermann AU - Gary M. Fellers AU - Fumio Matsumura PY - 2002 DO - 10.1002/etc.5620211027 UR - https://pubs.usgs.gov/publication/1007926 ID - 1007926 ER -