Text ( visual ) : unmediated Microbial differentiation : twenty-third symposium of the Society for General Microbiology held at Imperial College, London, April 1973 / [Editors: John M. Ashworth and John E. Smith]. -- Cambridge [Eng.] : Published for the Society for General Microbiology at the University Press , 1973. -- x, 450 p. : ill. ; 24 cm. -- (Symposia ; 23). -- Includes bibliographies. -- ISBN 0521201047 ; (BA10952209) ; https://ci.nii.ac.jp/ncid/BA10952209 Author Heading(s): Ashworth, John M. ; Smith, John E. ; Society for General Microbiology. Symposium. -- Classification(s): LCC : QR1 ; LCC : QR73.5 ; DC19 : 576 s ; DC19 : 576/.117. -- Subject Heading(s): LCSH : Microbial differentiation -- Congresses