000 00312nam a22001097a 4500
008 230605b |||||||| |||| 00| 0 eng d
022 _a0970-3470
040 _aNational Science Library
_cNational Science Library
245 _aIndian surveyor
260 _aNew Delhi:
_bInstitute of Surveyors,
_c1960
942 _cCR
999 _c39471
_d39471