TY  - BOOK
AU  - Whitney, John Wallis,
AU  - Whitney, R. E.
TI  - Investment and risk analysis in the minerals industry
AV  - HD9506.A2 W44
PY  - 1981///
CY  - Reno, nev.
PB  - Whitney & whitney
KW  - Riesgo (Economía)
KW  - Inversiones
KW  - Industria minera
N1  - "short course notes revision no. 3"
ER  -