000 00322nam a2200145Ia 4500
020 _a0-7502-0494-x
082 _b153
_a000
100 _a"Dunn Andrew"
245 0 _aStructures : Tunnels
260 _bWayland
_aUK
_c1992
300 _a32
944 _cR
999 _c697193
_d697193