000 00500cam a2200205 4500
008 090401t1968 xxu||||| |||| 00| 0 eng d
020 _a0434900613
035 _a(Sirsi) u63819
041 _aeng
050 _a526.9
100 _aAllan, A.L.
245 _aPractical field surveying and computations
260 _aLondon
_bHeinemann
_c1968
300 _axvi. 689p. illus. 24cm
350 _a9.5
700 _aHollwey, J.R.
700 _aMaynes, J.H.B.
942 _n0
948 _c04/03/1997
999 _c94609
_d94609