TY  - BOOK
AU  - Van Der Plas, H. C.
TI  - RING TRANSFORMATION OF HETEROCYCLES
U1  - 547.59 
PY  - 1973///
CY  - London
PB  - Academic Press
KW  - Heterocyclic Compounds
KW  - Chemistry, Organic -- Synthesis
KW  - Ring Formation (Chemistry)
ER  -