00419nam a2200181Ia 4500008004100000041001200041082001000053082001100063100001600074100001100090245003800101260000900139260001400148260000900162300001500171365002500186650002600211150909s9999    xx            000 0 und d  aEnglish  a628.6  bPIP/BA  aPipes W O    eEditor  aBacterial indicators of pollution  aOhio  bCRC Press  c1978  a174  Pages  aRs.72                 aSanitory microbiology