ISBN 3112781686 books & textbook
Proceedings of Open Meetings of Working Groups of the Thirteenth Plenary Meeting of COSPAR: Leningrad, USSR, 20–29 May 1970; COSPAR14-B, 11./ Volume 1
Kondratyev, K. Ya. Rycroft, M. J. Sagan, Rycroft C.
De Gruyter /1971-12-31 Hardcover / 780 Pages
isbn-10: 3112781686 / isbn-13: 9783112781685
