000 00270nam a22000977a 4500
008 121130b xxu||||| |||| 00| 0 eng d
050 _aGA109
_b.B87 1985
245 _amapping from aerial photographs
300 _a346p.
942 _2lcc
_cBK
_hGA109.B87 1985
999 _c88848
_d88848