TY  - BOOK
AU  - James,Albert
ED  - Macdonald & Co.
TI  - Structures and forces: a unit for teachers : stage 3 
T2  - Science 5/13
U1  - 372.35 23
PY  - 1970///.
CY  - London: 
PB  - Macdonald & Co, 
KW  - Science
KW  - Study and teaching (Elementary)
KW  - Structural design
ER  -