The evaluation and improvement of first order levelling network of Latvia. Summary of the Thesis for Doctoral Degree in Engineering Sciences (Dr.sc.ing), in Civil Engineering Science branch, subbranch of Geodesy and Geoinformation
Celms, A., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Rural Engineering
Jelgava (Latvia): Latvijas Lauksaimniecības universitāte 2014
Historic gardens and parks of Latvia in present rural landscape. Summary of Doctoral thesis for the scientific degree Dr.arch. in landscape architecture
Dreija, K., Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Rural Engineering. Dept. of Architecture and Construction
Jelgava (Latvia): Latvijas Lauksaimniecības universitāte 2013