TY  - BOOK
AU  - Barker, P.
TI  - Author Languages for Cal
U1  - 000.743 
PY  - 0000///051987///
CY  - New York, NY
PB  - Elsevier Science Publishing Company, Incorporated
KW  - COMPUTER-ASSISTED INSTRUCTION
N1  - 0-444-01234-6
ER  -