000 002600000a22001210004500
245 _aGeological maps
100 _aSimpson, B.
260 _aOxford
_bPergamon
_c1968
300 _aviii, 98p.
080 _a526.8(084.3)
_bS5
041 _aEN
942 _cBK
999 _c114021
_d114021