TY  - BOOK
AU  - Ball M A
TI  - Mathematics in the social and life sciences: Theories,models and methods
T2  - Eills horwood series in mathematics and its applications
U1  - BobSigma, M5-;1 
PY  - 1985///
CY  - Chichester
PB  - Eills horwood        
KW  - Social sciences-Mathematics
ER  -