000 00385nam a2200193Ia 4500
008 240530s9999 xx 000 0 und d
082 _a660.2
082 _bKAR
100 _aKARKI G R
245 0 _aINDUSTRIAL HYGIENE
250 _n0
250 _n1987
260 _bEVEREST
300 _a162
365 _b50
650 _aCHEMICAL
942 _cREF
950 _CCHEMICAL
999 _c191714
_d191714