81. Theory of the earth's gravity field /   Publication: Amsterdam : Elsevier Scientific Pub. Co., 1973 . 538 p. : , Translation of Úvod ke studiu tíhového pole země. | On leaf preceding t.p.: Czechoslovak Academy of Sciences. | Includes indexes. Date:1973 Availability: Copies available: Turkeyen Campus Science & Technology [QB331 P52] (2), Actions: Add to cart
82. Photoconductivity and related phenomena /   Publication: Amsterdam ; | New York : | New York : Elsevier Scientific Pub. Co. ; | distributors for the U.S. and Canada, Elsevier/North-Holland, 1976 . xiii, 502 p. : 25 cm. Date:1976 Availability: Copies available: Turkeyen Campus Science & Technology [QC612.P5 P46] (1), Actions: Add to cart