THE EAGLE HAS RETURNED. DEDICATION CONFERENCE OF THE INTERNATIONAL SPACE HALL OF FAME. PROCEEDINGS. II; ALAMOGORDO, N. M.; 19761977; SCI. TECHNOL. SER.; U.S.A.; DA. 1977; VOL. 45; PP. (454P.); BIBL. DISSEM.Conference Paper

RELATIVE MOBILITY AND SAND DUNES AS A FUNCTION OF GRAIN MINERALOGY.NIGRA JO.1974; INTERNATION. J. BIOMETEOROL.; NLD; (SYMP. EFFECTS WEATHER CLIM. PLANTS TREES. PART 6TH INT. BIOMETEOROL. CONGR. III. SAND BINDING DESERT PLANTS; NOORDWIJK, NETH.; 1972),1974, VOL. 18, NUM. 0002, P. 111 A 112Miscellaneous