000
00269nam a2200097Ia 4500
008
190428s9999||||xx |||||||||||||| ||und||
100
_a
Spencer, E.W.
_9
15277
245
_a
Basic concepts of physical geology
250
_b
1962. xv-467
260
_b
Oxford and IBH. New Delhi
999
_c
15148
_d
15148