TY  - BOOK
AU  - Louden, Kenneth C.
TI  - Programming languages: principles and practice 
SN  - 9788131503737
U1  - 005.13  2nd ed.
PY  - 2003///
CY  - New Delhi
PB  - Cengage Learning India Pvt Ltd
KW  - Abstractions in programming languages
KW  - Expressions and statements
KW  - Procedures and environment
ER  -