000
nam a22 4500
020
_a
110
_a
Akai, Koichi, Hayashi, Masao. And Nishinatsu, Yuichi.
245
_a
Weak rock soft, fractuned and weathered rock : 1
260
_a
Rotterdam
_b
A.A. Balkemaa
_c
c1981
942
_c
22
999
_c
6654
_d
6654