TY  - BOOK
AU  - Christensen, John W.
TI  - Global Science: Energy, Resources, Environment
SN  - 0840346573
AV  - TJ 163.2 .C47 1981 
PY  - 1981///
CY  - USA
PB  - Kendall/ Hunt
KW  - Power resources
KW  - Natural resources
N1  - includes index
ER  -