TY  - BOOK
AU  - Nagaraja, N S
TI  - Elements of electronic navigation  2nd ed
SN  - 0-07-462301-X
U1  - 681.783.322 
PY  - 1996///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - 681.783.322
ER  -