"hills, e s. "
elements of structural geology: / e.s. hills - 2 ed. - uk : chapman & hall 1972. - "x, 502p.; 23 cm."
0 412 20750 8
geology
551. 8 hil
elements of structural geology: / e.s. hills - 2 ed. - uk : chapman & hall 1972. - "x, 502p.; 23 cm."
0 412 20750 8
geology
551. 8 hil