TY  - BOOK
AU  - Braun,Ernest
AU  - Collingridge,David
TI  - Technology and survival
SN  - 0408713011 (pbk.)
PY  - 1977///
CY  - London
PB  - Butterworths
KW  - Technology
KW  - Social aspects
KW  - Human ecology
N1  - Includes bibliographicalreferences
ER  -