000			00379nam a22001577a 4500
005			20250119071029.0
008			250119b |||||||| |||| 00| 0 eng d
020			_a027301082
082			_a526.98 _bKIL
100			_aKilford, W.K.
245			_aElementary Air Survey.
250			_a4th, ed.
260			_aLondon : _bELBS &Pitman, _c1980.
300			_axii,345 p.
942			_cREF
999			_c12260 _d12260