32 . https :// uacg . bg / filebank / att _ 22228 . pdf – Tonkov , D . Engineering Geodesy . Sofia , TES Design . 2018 . 264 . ISBN 978-954-2994-06-0 .
Reviewers : Corr . Mem . D . Sc . Atanas Kovachev , Assoc . Prof . Dr . Eng . Veneta Kotseva , Assoc . Prof . Dr . Eng . Lachezar Hrischev
Authors ’ adresses
1 . Corr . Mem . Prof . Dr . Eng . Georgi Milev , BAS , SRTI ; milev @ geodesy-union . org 2 . Почетен . проф . д-р инж . Иво Милев , Берлин , Германия .
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