Organochlorine chemical residues in white pelicans pelecanus erythrorhynchos and western grebes aechmophorus occidentalis from the klamath basin california usa Boellstorff, D.E.; Ohlendorf, H.M.; Anderson, D.W.; O'neill E.J.; Keith, J.O.; Prouty, R.M. Archives of Environmental Contamination and Toxicology 14(4): 485-494 1985 0090-4341 https://eurekamag.com/research/006/043/006043785.php