000 00264nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aSEN A K & BHATTACHARYA
245 _aRADAR SYSTEMS & RADIO AIDS TO NAVIGATION
250 _a1
260 _c1988
_bKHANNA PUBLISHERS
999 _c17826
_d17826