000			00322nam a22001337a 4500
005			20211021095058.0
008			211021b ||||| |||| 00| 0 eng d
041			_aeng
100			_aNagaraja N S _929485
245			_aElements of electronic navigation
260			_aN Delhi _bTMH _c1993
300			_aix,139
942			_cBK
999			_c197364 _d197364