000 00278nam a2200121Ia 4500
008 160710s1958 xx 000 0 und d
082 _a619.7 SAL
100 _aSALVATO,J.
245 _aENVIRONMENTAL SANITATION
260 _bJOHN WILEY
_c1958
300 _a660
942 _2ddc
_cB
999 _c39534
_d39534