TY  - BOOK
AU  - Gregg,J.V.
AU  - Hossell,C.H.
AU  - Richardson,J.T.
TI  - Mathematical
PY  - 1964///
CY  - London
PB  - Oliver & Boyd
KW  - Informatica
KW  - Matematica
KW  - Polinomios
N1  - trend curves, an aid to forecasting
ER  -