TY  - BOOK
AU  - Goldberg,Samuel
TI  - Introduction to difference equations: with illustrative examples from economics, psychology, and sociology
AV  - QA431 .G59
U1  - 515/.625 
PY  - 1958///]
CY  - New York
PB  - Wiley
KW  - Difference equations
KW  - Local
KW  - Social sciences
KW  - Mathematical models
N1  - Includes bibliography
ER  -