00357nam a2200145Ia 4500008004100000041000800041082001300049100002100062245002200083260006000105300001000165365001200175563000700187650001700194210707s1963    xx            000 0 und d  aeng  a576 SIMM  aSIMON (Harold J)  aMicrobes and men.  aNew York.bNational Science Teacher Association.,c1963  a160 p  b35cINR  aHB  aMicrobiology