Environmental modification of the photosynthetic response of lake plankton to surfactants and significance to a laboratory field comparison Lewis, M.A.; Hamm, B.G. Water Research 20(12): 1575-1582 1986 0043-1354 10.1016/0043-1354(86)90123-5 https://eurekamag.com/research/005/368/005368989.php