ESOUSA, L. SAFETY AND ENIVRONMENT ISSUES IN ROCK ENGINEERING / ESOUSA, L. - [S.N] : A.A.BALKEMA,ROTTERDAM ، 1993 - 928 P Subjects--Topical Terms: التحليل الرياضىENVIRONMENTROCKS Dewey Class. No.: 624.15132 / E S