000 002880000a22001330004500
245 _aRocks & minerals
100 _aRogers, Cedric
260 _aLondon
_bWard Lock
_c1973
300 _a144 p., ill.
020 _a0706312368
080 _a549
_bR6
041 _aEN
942 _cBK
_01
999 _c101845
_d101845