00659nam2 22002171i 450 990002290490403321000229049FED01000229049(Aleph)000229049FED0100022904920030801d--------km-y0itay50------baTrivalent phosphorus compounds as dienophiles. New York-London, 1967, p. 47-96.001000220515Quin,Louis D.95510ITUNINARICAUNIMARCBK990002290490403321FFABCTrivalent phosphorus compounds as dienophiles. New York-London, 1967, p. 47-96387451UNINAING01