000 00279nam a22001097a 4500
041 _aENG
245 _aThe Bacteriological Examination Of Water Supplies
260 _aLondan
_bHer Majesty ' S stationery Office
_c1969
300 _a50
650 _aAPE ( 02 )
856 _uAPE ( 02 )
999 _c2830
_d2830