000
00285pam a2200133a 44500
082
_a
624.19
_b
H185t
100
_a
Hammond, Rolt
245
1
_a
TUNNEL ENGINEERING
260
_a
London
_b
Heywood
_c
1959
300
_a
332
650
_a
Tunnelling
964
_g
CIRC
997
_a
17163 C
999
_c
437012
_d
437012