TY  - GEN
AU  - ACHESON, R.M.
TI  - AN INTRODUCTION TO THE CHEMISTRY OF HETEROCYCLIC COMPOUNDS/ 
U1  - 547.59 A23 
PY  - 1976///
CY  - NEW YORK: 
PB  - JOHN WILEY & SONS
KW  - 1.COMPUESTOS HETEROCICLICOS
ER  -