000 00240nam a22001097a 4500
082 _a668.41 PAL'P
100 _aPALIWAL, R. C
_976112
245 _aPVC PRODUCTS AND PROCESSING
260 _aDELHI
_bSBP
_c1967
300 _a128P
942 _cBK
999 _c581536
_d581536