000 00302nam a22000977a 4500
082 _a613.1
_bKOR.H.1-2
100 _aHerman Koren
_aMichael Bisesi
245 _aHandbook of environmental health and safety: Principles and practices- 2 vol.
260 _aMumbai
_bJaico publishing house
_c1999
942 _cBK
999 _c203590
_d203590