TY  - BOOK
AU  - Gamser Matthew and others
TI  - Tinker, Tiller, Technical change: Technologies from the people   
SN  - 1853390615
U1  - X0gF.1(X).N8, N0 
PY  - 1990///
CY  - London
PB  - 1990          
KW  - Economics IRT Technology
ER  -