TY  - BOOK
AU  - Sage Andrew P
AU  -  Melsa James L
TI  - Estimation theory with applications to communicait
T2  - McGraw Hill series in systems science
U1  - X9(D:7), L1 
PY  - 1971///
CY  - New York
PB  - McGraw hill USA       
KW  - Engineering
ER  -