TY  - BOOK
AU  - Malpas,John
TI  - Prolog: a relational language and its applications 
SN  - 0137308396 (pbk.)
PY  - 1987///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Prolog (Computer program language)
N1  - Includes index; Includes bibliographical references
ER  -