TY  - GEN
AU  - Jackson, Nora,
AU  - Penn,
TI  - A dictionary natural resources and their principal uses
T2  - <The >Commonwealth and International Library : engineearing and liberal studies
PY  - 0000///Pergamon Press
CY  - Oxford
PB  - cop. 1966
KW  - Exploração de recursos naturais
KW  - 005 j
KW  - A 11
KW  - F 17
ER  -