000
00273nam a2200097Ia 4500
100
_a
Bryoughton Edge A B & Laby T H
245
_a
Principles and Practise of Geophysical Prospecting
260
_b
Cambridge Univ Press, U K
082
_a
H/N31/B09917
300
_a
pp 372; 28*22
999
_c
29213
_d
29213