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地质学报 1925
ROCK-FORMULA.Abstract: Inapaperpublishedsometimeago,(1)Iventuredtoshowhowitmightbepossibletoexpresssymbolicallythecompositionandstructureofanigneousrock.Thetypeofformulathensuggested,thoughmaypossesssomeadvantageovertheso-calledrockformulaofOsann,is,fortwoobvious
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