(19) Stephan, C. E. Methods for calculating an LC50. In Aquatic Toxicology and Hazard Evaluation (F. I. Mayer, J. L. Hamelink (eds.)). American Society for Testing and Materials, ASTM STP 634, 1977, 65-84.
(19) Stephan, C. E. Methods for calculating an LC50. In Aquatic Toxicology and Hazard Evaluation (F. I. Mayer, J. L. Hamelink (eds.)). American Society for Testing and Materials, ASTM STP 634, 1977, 65-84.