TY  - BOOK
AU  - Johnston, John B.
TI  - Linear equations and matrices
T2  - Addison- Wesley series in Bhhavioral Science: Quantitative Methods
U1  - B2310bMZ K6J 
PY  - 1966///
CY  - Reading
PB  - Addison- Wesley
N1  - Includes Index
ER  -