000 002690000a22001210004500
008 160509b1961 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a526.9
_bP4
942 _cBK
100 _aPerrott, S.W.
245 _aSurveying: for young engineers
260 _c1961
999 _c8904
_d8904