TY  - BOOK
AU  - Snyders, W.P.C.
TI  - Physical Science in Action Std. 7
U1  - 530.01 
PY  - 1984///
CY  - Pretoria
PB  - De Jager - HAUM
KW  - Muller, J.C.
KW  - Schwalb, E.B.
KW  - Dal Bianco, F.G.
N1  - Index: p207-210
ER  -