TY - RPRT TI - Chrysophyte cysts as potential environmental indicators AU - David P. Adam AU - Albert D. Mahood PY - 1981 DO - 10.1130/0016-7606(1981)92<839:ccapei>2.0.co;2 UR - https://pubs.usgs.gov/publication/70186530 ID - 70186530 ER -