TY  - BOOK
AU  - Betz,Mathew J.
AU  - Wigand,Rolf T.
AU  - McGowan,Pat
TI  - Appropriate technology: choice and development
U1  - 338.91 
PY  - 1984///
CY  - Durham, N.C
PB  - Duke University Press
KW  - Appropriate technology
N1  - Revised versions of selected papers from an interdisciplinary seminar held at Arizona State University in the spring of 1981
ER  -