000 00445pam a2200181a 44500
003 OSt
040 _cIIT Kanpur
041 _aeng
082 _a547.59
_bAL52h
100 _aAllcock, H. R.
245 1 _aHETEROATOM RING SYSTEMS AND POLYMERS
260 _aNew York
_bAcademic Press
_c1967
300 _a401p.
500 _aIncludes Bibliographies
650 _aHeterocyclic Compounds
650 _aPolymers and Polymerization
942 _cBK
999 _c409654
_d409654