TY  - BOOK
AU  - Schur,Lee David
TI  - Time-shared computer languages: an introduction to conversational computing 
SN  - 0201067617 :
U1  - 001.6425 
PY  - 1973///
CY  - London
PB  - Addison-Wesley Pub.
KW  - Programming languages (Electronic computers)
KW  - Time-sharing computer systems
ER  -