000 00261nam a22001217a 4500
003 OSt
082 _aPPCL/MU
245 _aMussoorie - phos
260 _aDehradun
_bPyrites, phosphates and chemicals
300 _a65p.
546 _aEnglish
942 _2ddc
_cREP
999 _c162256
_d162256