TY  - BOOK
AU  - Haynes,kingsley E  .
AU  - Fotheringham,A.Stewart  .
TI  - Gravity and spatial interaction models / 
T2  - The scientific geography series, 
SN  - 0803923260
U1  - 526.7 
PY  - 1984///
CY  - New Delhi : 
PB  - Sage Publications India , 
KW  - CLASSICAL MECHANICS
N1  - Includes bibliography and index
ER  -