TY  - SER
ED  -  Intermediate Technology Development Group Ltd.
TI  -  I.T.D.G : :  bulletin
U1  -  607.05 
PY  - 1969///-
CY  -  London : 
PB  -  Intermediate Technology Development Group Ltd., 
KW  -  Technology
KW  -  Periodicals
N1  -  Latest issue consulted: No. 7 (July 1971)
ER  -