000 00397pam a2200157a 44500
082 _a547.59
_bU17c
100 _aUlrich, Henri
245 1 _aCYCLOADDITION REACTION OF HETEROCUMULENES
260 _aNew York
_bAcademic Press
_c1967
300 _a364
500 _aIncludes Bibliographies
650 _aCumulenes
650 _aRing Formation (Chemistry)
964 _gCIRC
997 _a76524 C
999 _c433497
_d433497