Afanasev V.A.,  Usov V.S. Opticheskie pribory i metody kontrolya pryamolineynosti v inzhenernoy geodezii./Afanasyev V.A.,  Usov V.S. Optical instruments and methods of control of straightness in engineering geodesy. In Russian - landofmagazines.com

TransliterationAfanasev V.A., Usov V.S. Opticheskie pribory i metody kontrolya pryamolineynosti v inzhenernoy geodezii.

In EnglishAfanasyev V.A., Usov V.S. Optical instruments and methods of control of straightness in engineering geodesy. In Russian

$199