00273nam a22001097a 4500003000400000008004100004082001400045100001800059245003900077260003900116300000800155OSt231129b        |||||||| |||| 00| 0 eng d  a576bR76M  aRogers, H. J.  aMicrobial cell walls and evolution  aNew YorkMMarcel Dekker, Incc1976  a561