TY  - BOOK
AU  - Cook,Alan H.
TI  - Gravity and the earth
T2  - The Wykeham science series for schools and universities
SN  - 0851090702
AV  - QB331 .C63
U1  - 526/.7 
PY  - 1969///
CY  - London
PB  - Wykeham Publications
KW  - Gravity
KW  - Local
N1  - Bibliography: p. 92
ER  -