000 004520000a22001570004500
060 _a100
082 _a541.393 HAM
100 _aHamer, Jan
245 _a1,4 cycloaddition reactions: the diels alder reaction in hetrocyclic synthesis
260 _aNewyork, Academic press
260 _c1967
300 _a500
490 _aOrganic chemistry a sreries of monographs
650 _a1,4- cycoaddition reaction / phosphorous compound
942 _cBK
999 _c208781
_d208781