TY - JA AU - Arvidson,H. AU - Aronson,A.I. AU - Dunn,P.E. AU - Strnad,S. TI - Specificity of Bacillus thuringiensis for lepidopteran larvae: factors involved in vivo and in the structure of a purified protoxin PY - 1989/// T2 - Molecular Microbiology ER -