ISBN 9022010066 books & textbook
Geo-Cosmic Relations: The Earth and Its Macro-Environment : Proceedings of the First International Congress on Geo-Cosmic Relations, Organized by th
Tomassen, G. J. M. De Graaff, W. Knoop, A. A. Hengeveld, R.
Pudoc /1990-06-01 Hardcover / 374 Pages
isbn-10: 9022010066 / isbn-13: 9789022010068