000 003080000a22001330004500
008 160428b1950 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a528
_bC5
942 _cBK
100 _aCelndinning, James
245 _aThe Principles of surveying
260 _aLondon
_bBlackie
_c1950
300 _a269p.
999 _c8298
_d8298