TY  - BOOK
AU  - Stevens, R.A.
ED  - UNESCO
TI  - Out-of-school science activities for young people / by R. A.  Stevens
U1  - B 3.165 STE -6067   
CY  - Switzerland, 1969.
KW  - Science - Social aspects
KW  - Science clubs
KW  - SOC
ER  -