000 003720000a22001450004500
008 140223b1959 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aH1:E J7.2-;3
082 _aH1:E J7.2-;3
100 _aAhrens (L H)
700 _aothers
245 _aPhysics and chemistry of the earth
260 _aLondon
_bPergmons
_c1959
650 _aMineral Resources
999 _c31534
_d31534