TY - RPRT TI - Scanning electron micrographs of chrysomonad cysts from Lake Aloha, El Dorado County, California AU - David P. Adam AU - Albert D. Mahood PY - 1981 DO - 10.3133/ofr8145 UR - https://pubs.usgs.gov/publication/ofr8145 ID - ofr8145 ER -