TY - RPRT TI - The effects of chlorpyrifos on cholinesterase activity and foraging behavior in the dragonfly, Anax junius (Odonata) AU - S.K. Brewer AU - G.J. Atchison PY - 1999 DO - 10.1023/a:1003682112025 UR - https://pubs.usgs.gov/publication/70021982 ID - 70021982 ER -