TY - BOOK AU - BRADSHAW, P. M. D. TI - CONCEPTUAL MODELS IN EXPLORATION GEOCHEMISTRY: THE CANADIAN CORDILLERA AND CANADIAN SHIELD T2 - 0 SN - 0-444-41314-6 U1 - 551.9 PY - 1975/// CY - U.S.A. PB - ELSEVIER SCIENTIFIC PUBLI KW - CIENCIAS PURAS N1 - IDEALIZED MODELS/CASE HISTORIES/THE CANADIAN SHIEL ER -