000 00353nam a2200145Ia 4500
008 210804s1981||||xx |||||||||||||| ||und||
041 _aeng
082 _a614
_bLIL/EN
100 _aLily Pritam Telu Ram
245 0 _aEnvironmental health and hygiene
250 _a3
260 _aNew delhi
_bVikas publishing house
_c1981
300 _a172
942 _cBK
999 _c2835
_d2835