ISBN 9780262110464 books & textbook
National Science Information Systems: A Guide to Science Information Systems in Bulgaria, Czechoslovakia, Hungary, Poland, Romania, and Yugoslavia
Kraus, David H. Zunde, Pranas Slamecka, Vladimir
Mit Pr /1972T Hardcover / 352 Pages
isbn-10: 0262110466 / isbn-13: 9780262110464
