Introduction to appropriate technology : toward a simpler life-style /
edited by R.J. Congdon.
- Emmaus, PA : Rodale Press, 1977.
- xviii, 205 p. : ill. ; 29 cm.
Includes bibliography and index.
0878571884
Appropriate technology.
Lifestyles.
Includes bibliography and index.
0878571884
Appropriate technology.
Lifestyles.