Clocksin, W F. Programming in prolog / W F Clocksin and C.S. Mellish. - 3rd rev ed / . - New Delhi : Narosa Pulishing House , 1989. - xii,281p. : Ills., figs.,tables etc. ; 21cm . Includes index ISBN: 8185198152 RS210.00 Subjects--Index Terms: PROLOG (COMPUTER PROGRAMMING LANGUAGE) ; PROGRAMMING LANGUAGE(COMPUTERS)-PROLOG Dewey Class. No.: 005.133PRO / CLO/P