00649cam a22002052 4500 tmp93001273 DLC 20260227112753.0 950503s1967 xx a ab 000 0 eng tmp93001273 DLC DLC DLC Microfilm 14948 Coleman, William, 1937- Escherichia coli resistance to ethionine. [Chicago, 1967.] ii, 58 p. ill. Thesis (Ph. D.)--University of Chicago, 1967. Bibliography: p. 22-26. Microfilm. Chicago [Library, Dept. of Photographic Reproduction, University of Chicago, 1967] 91081 91081