TY - BOOK AU - HAMER, Jan TI - I,4-Cycloaddition reactions ; the Diel Alder reaction in hetercyclic syntheses U1 - 547.59 H18O PY - 1967/// PB - N.Y. KW - RING FORMATION (CHEMISTRY) KW - DIELS ALDER REACTION KW - HETERCYCLIC COMPOUNDS ER -