1.
Field Guide to Appropriate Technology
by Hazeltine, Barrett, Bull, C...
ISBN: 9780123351852
List Price: $106.00
2.
Appropriate Technology: Tools, Choices and Implications (Academic Press Series in Engineering)
by Barrett Hazeltine, Christop...
ISBN: 9780123351906
List Price: $59.95
3.
Introduction to Electronic Circuits and Applications
by Hazeltine, Barrett
ISBN: 9780840321824
List Price: $25.95