TY  - BOOK
AU  - Graybill,Franklin A., x
AU  - x
TI  - Theory and application of the linear model: x
SN  - x
U1  - 512.5/GRT 
PY  - 1976///
CY  - Massachusetts
PB  - Duxbury
KW  - Mathematical Models
KW  - Algebra, Linear
N1  - x
ER  -