Wright, E. Alaphia. Open pit mine design models : an introduction with FORTRAN/77 programs / E. Alaphia Wright. - Clausthal-Zellerfeld, F.R. Germany : Trans Tech Publications, 1990. - xi, 187 p. - Series on mining engineering : 8 (1990). . ISBN: 0878490833 LCCN: 91016151 Subjects--Topical Terms: Engineering design--Data processing.Strip mining--Data processing Dewey Class. No.: 622.2920285 W948