SUBJECTIVE PROBABILITY APPRAISAL OF METAL ENDOWMENT OF NORTHERN SONORA MEXICO COMMENT - SOBEL, HL (CONTRATISTA TORMEX SA,VARSOVIA 44-7,PISO,MEXICO, 1973)
BULL SOC ECON GEOLOGY
Keywords: SUBJECTIVEPROBABILITY, METAL, NORTHERNSONORAMEXICO; CIENCIAS ECONOMICAS; ECONOMIA SECTORIAL; MINERIA