TY  - JOUR
AU  - G. C. Ghirtis
TI  - How to Detect when a Model Fitted to Observational Data Needs Updating
JO  - Ευκλείδης Γ

PY  - 1987
SP  - 45
EP  - 52
VL  - 16
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EUG_1987__16_a5/
LA  - gr
ID  - EUG_1987__16_a5
ER  -