| 1 |  | A synoptic approach for analyzing erosion as a guide to land - Use planing / William M. Brown III, Walter G. Hines, David A. Rickert, Gary L. Beach . - Arlington : United States Department of the interior , 1979. - 45 tr ; 27 cm. - ( Geological survey circular 715-L )
Thông tin xếp giá: 550/A.000017 |