000 00262nam a2200109Ia 4500
008 180613s9999||||xx |||||||||||||| ||und||
041 _aen
100 _aHarry W Selley
245 0 _aMicrobes In Action
260 _aSan Francisco
_bW.H. freeman
_c1972
942 _cSR
999 _c78716
_d78716