000 005240000a22001690004500
060 _a100
082 _a541.393 HAM
100 _aHamer, Jan
245 _a1, 4 - cyclo additon reactins : the diels - alder reaction in heterocyclic synthesis
260 _aNewyork, Academic press
260 _c1967
300 _a500
490 _aA series of monographs
490 _aV.8
_cA series of monographs
650 _a1.4-cyclo addition reactions/ 5 - membered cyclic sulfones/ trivalent phosphorans compounds
942 _cBK
999 _c209922
_d209922