000 00282nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a273252046
082 _a526.9823KIL
100 _aKilford W.K
245 0 _aElementary Air Survey
260 _bPitman Pub
_c1970
942 _cBK
999 _c433856
_d433856