TY  - BOOK
AU  - Hazeltine,Barrett
AU  - Bull,Christopher
TI  - Appropriate technology: tools, choices and implications 
SN  - 0123351901
AV  - T49.5 .H4 1999
U1  - 338.9/27 21
PY  - 1999///
CY  - San Diego
PB  - Academic Press
KW  - Appropriate technology
N1  - Includes bibliographical references and index; Includes bibliographical references and index
ER  -