TY  - BOOK
AU  - Thomas, Alan.
TI  - Choosing appropriate technology
T2  - Control of Technology Unit, 15-16
U1  - 608 L8 
PY  - 1978///
CY  - Milton Keynes
PB  - Open University
KW  -  Alan Thomas and Martin Lockett.
KW  - Lockett, Martin 
KW  - Appropriate technology
ER  -