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040 _e5193
_aMAIN
041 _aEnglish
082 _a547.07 A52P
100 _aAllcock, H R
245 0 _aPhosphorus-nitrogen compounds: Cyclic, linear, and high polymeric systems
260 _aNew York
_bAcademic Press
_c1972
300 _axiv, 498 p.
942 _cBK
999 _c147408
_d147408