Detektorist - refleksvastuvõtjani
Olbrei, Fred
1929
https://www.ester.ee/record=b1157469*est
Ehitusõpetus : käsiraamat majaehitajaile
Klein, Aleksander
1931
https://www.ester.ee/record=b1425684*est
Hydraulic formulae of two-layer exchange flow in an obstructedchannel with trapezoidalcross-section
Laanearu, Janek
;
Cuthbertson, Alan
6th IAHR Europe Congress, Warsaw, Poland : abstract book
2021
/
p. 245-246
https://iahr2020.pl/wp-content/uploads/2021/02/Book-of-Abstracts-15-02-2021.pdf
QBI
Arro, Hendrik
2000
https://www.ester.ee/record=b4275041*est
VI Eesti raadionäitus : Börsisaalides 3. - 7. novembrini 1934
1934
https://www.ester.ee/record=b1481080*est