Citation: S. Singer et al., BIOLOGICAL-CONTROL OF THE ZEBRA MUSSEL DREISSENA-POLYMORPHA AND THE SNAIL BIOMPHALARIA-GLABRATA, USING GRAMICIDIN-S AND GRAMICIDIN-D AND MOLLUSCICIDAL STRAINS OF BACILLUS, Journal of industrial microbiology & biotechnology, 18(4), 1997, pp. 226-231