00761nam a22001931 4500 1/12963 980602s1979 enk f 001 0 eng d 0582901502 13411 DLC GR-PeUP 016.5025 DI Directory of scientific directories: a world guide to scientificdirectories including medicine, agriculture, engineering, manufacturing and industrial directories/ complit. by J. Burkett. Third edition. Essex: Longman Group Limited, [1979]. 649 p.; 24 cm. Includes index. Science Directories Bibliography. INST UNIPILB MAIN 20040709 016.5025 DI 00116407 00116407 LOAN 0 1 /webopac/covers/01/13411_0582901502.jpg