TY  - BOOK
AU  - Cook,Alan H.
TI  - Gravity and the earth
T2  - The Wykeham science series for schools and universities, 6
U1  - 531.14 
PY  - 1969///
CY  - London
PB  - Wykeham Publications
KW  - Gravity
KW  - MCE
N1  - 0; 0; 0; 531_140000000000000_COO
ER  -