TY  - BOOK
AU  - Tennent, R. D. 
TI  - Principles of programming languages
SN  - 0-87692-469-0
U1  - 005.133 
PY  - 1987///
CY  - New Delhi
PB  - Prentice -Hall
KW  - Computer programming
KW  - Language design
KW  - Programming lenguage
N1  - Includes bibliographical references and index
ER  -