000 00449nam a2200181 4500
001 29117/80
005 20130515015559.0
008 111112s9999 xx 000 0 und d
020 _a0 11 320254 7
082 0 0 _a614. 7 wel
100 1 _a"0, . "
245 1 0 _athe bacteriological examination of water supplies:
_b/
_c ..
250 _a1 ed.
260 _auk :
_bh.m.s.o
_c1934.
300 _a"viii, 51p.;
_c25 cm."
504 _a
650 0 _a
_x
999 _c52474
_d52474