Spencer, Edgar^b.
Introduction to the structure of thr Earth / by Edgar W. Spencer. - 2nd ed / - New Delhi : MacGraw-HillKogakusha, Ltd , 1977 - 640p :
07-085751-2
Geology
U2 / L7
Introduction to the structure of thr Earth / by Edgar W. Spencer. - 2nd ed / - New Delhi : MacGraw-HillKogakusha, Ltd , 1977 - 640p :
07-085751-2
Geology
U2 / L7