000 00443nam a2200157Ia 4500
008 230711s9999||||xx |||||||||||||| ||und||
041 _aENG
082 _a624
_bWO-G
100 _aWorld Health Organisation
245 0 _aGuide to simple sanitary measures for the control of enteric diseases
250 _a1st Ed.
260 _c1974
_aNew Delhi
_bWorld Health Organisation Geneva
300 _a103
650 _aCivil Engineering
942 _cBK
999 _c2075
_d2075