000 00252nam a22001097a 4500
082 _a526.9
_bBAS
_cN-01,P-163
100 _aBasak N N
245 _aSurveying and levelling
_cN N Basak
300 _axiv, 549 p. :
_b20cm
_cill. ;
650 _aMCE
942 _cBK
999 _c4252
_d4252