Hughes, M M An evaluation of a short-term chronic effluent toxicity test using sheepshead minnow (Cyprinodon variegatus) larvae. [electronic resource] - Environmental pollution (Barking, Essex : 1987) 1989 - 1-14 p. digital Publication Type: Journal Article ISSN: 0269-7491 Standard No.: 10.1016/0269-7491(89)90216-9 doi