000
00275nam a2200121 a 4500
003
EIA
001
2119
942
_0
2
_2
ddc
_c
BK
245
_a
Rock mechanics in engineering practice
260
_c
1968
008
141112s1968 ck r 000 u spa d
082
_a
624.1513
_b
R682
999
_c
12132
_d
12132