00649cam a22002052  4500001001300000003000400013005001700017008004100034010001700075040001800092050002000110100002900130245004600159260002200205300002000227502005000247504002800297533010100325999001700426tmp93001273 DLC20260227112753.0950503s1967    xx a    ab    000 0 eng    atmp93001273   aDLCcDLCdDLC00aMicrofilm 149481 aColeman, William,d1937-10aEscherichia coli resistance to ethionine.  a[Chicago,c1967.]  aii, 58 p.bill.  aThesis (Ph. D.)--University of Chicago, 1967.  aBibliography: p. 22-26.  aMicrofilm.bChicagoc[Library, Dept. of Photographic Reproduction, University of Chicago,d1967]  c91081d91081