TY  - BOOK
AU  - Silvey S D
TI  - Optimal design:  An introduction to the theory for   
T2  - Monographs on applied probability and statistics
U1  - B28, M0 
PY  - 1980///
CY  - London
PB  - Chapmn and Hall        
KW  - Statistics
N1  - Bibliography : p82-84
ER  -