000 | 00357nam a2200121Ia 4500 | ||
---|---|---|---|
999 |
_c5519 _d5519 |
||
020 | _a113202547 | ||
100 | _aDepartment of Health and Social Security | ||
245 | _aReports on Public Health and Medical Subjects No.71: The Bacteriological Examination of Water Supplies | ||
250 | _a4 | ||
260 |
_c1970 _bH..M.S.O _aLondon |
||
300 | _aviii+52 | ||
942 | _cREF |