Houghton , Bernard .
On-line information retrieval systems an introductory manual to principles and practice / by Bernad Houghton and John Convey. - London : Clive Bingley Ltd , 1977 - 160p :
0-208-01660-0
Library science- information system
2:51(BV) / L7
On-line information retrieval systems an introductory manual to principles and practice / by Bernad Houghton and John Convey. - London : Clive Bingley Ltd , 1977 - 160p :
0-208-01660-0
Library science- information system
2:51(BV) / L7