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المؤلفون: Ruilin, Hu, Xiangquan, Li, Changli, Liu, Bogan, He, Guolin, Guan
المصدر: Engineering Geology ; page 387-394 ; ISBN 9780429087813
المؤلفون: Ruilin, Hu, Xiangquan, Li, Changli, Liu, Bogan, He, Guolin, Guan
المصدر: Engineering Geology ; page 387-394 ; ISBN 9780429087813