TY  - BOOK
AU  - Edward Semper
AU  -  Philip Coggin Harry Armytage Michael Bassey  Jack Meadows
TI  - Hidden factors in Technological Change
SN  - 0-08-0210074-1
U1  - 378.012 
PY  - 1976///
CY  - Oxford
PB  - Pergaman Press
N1  - Edward Semper; Philip Coggin; Harry Armytage; Michael Bassey & Jack Meadows: Hidden factors in Technological Change.  Oxford.  Pergaman Press, 1976. 0-08-0210074-1--(378.012SEM)
ER  -