TY  - BOOK
AU  - Hehner Eric C R
TI  - Practical theory of programming
T2  - Texts and monographs in computer science
SN  -  3540941061 (Berlin)
U1  - D65,8(B)92, N3 
PY  - 1993///
CY  - New York    
PB  -  Springer Verlag       
KW  -  Programming
KW  - Computer Science
ER  -