000 00283nam a2200121Ia 4500
999 _c24559
_d24559
100 _aSen A K
245 _aRadar Systems and Radio Aids to Navigation
250 _a5
260 _c1997
_bKHANNA PUBLISHERS
_aNew Delhi
300 _avii+546
700 _aBhattacharya A B
942 _cBB