TY  - RPRT
TI  - The relation between human presence and occurrence of Giardia Cysts in streams in the Sierra Nevada, California
AU  - Thomas J. Suk
AU  - Stephen K. Sorenson
AU  - Peter D. Dileanis
PY  - 1987
DO  - 10.1080/02705060.1987.9665163
UR  - https://pubs.usgs.gov/publication/70199769
ID  - 70199769
ER  -