TY - BOOK AU - Fleischer,Michael TI - Recent estimates of the abundances of the elements in the earth's crust AV - QE75 .C5 no. 285 U1 - 553 PY - 1953/// CY - Washington KW - Chemical elements KW - Geochemistry N1 - "Reference for tables 2 and 3": p. 3 ER -