TY  - BOOK
AU  - HANCOCK, RALPH
ED  - CAVENDISH, MARSHALL
TI  - The Illustrated Encylopaedia of Science & Technology: How it Works
U1  - DKCLAL7.20 
PY  - 1977///
CY  - London
PB  - Marshall Cavendish
KW  - HOW IT WORKS- ENCYCLOPAEDIA
ER  -