000 003030000a22001330004500
008 140223b1971 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aH2 L1
082 _aH2 L1
100 _aSparks (B W)
245 _aRocks and relif
260 _aLondon
_bLongman
_c1971
650 _aPetrology
999 _c31670
_d31670