TY  - BOOK
AU  - Thring, Meredith Wooldridge
TI  - Machines-masters or slaves of man?
T2  - Mankind and the engineer
AV  - T14.5 T47
PY  - 1974///
CY  - Stevenage, eng
PB  - Peregrinus
KW  - Tecnología
KW  - Aspectos sociales
ER  -