TY  - BOOK
AU  - x, x
AU  - Hamer,Jan
TI  - 1,4- Cycloaddition reactions the diels-alder reaction in heterocyclic syntheses: x
SN  - x
U1  - 547.59/HAO 
PY  - 1967///
CY  - N.Y.
PB  - Academic Press
KW  - Chemistry, Organic
N1  - x
ER  -