Aspirantuuriaastad Leningradis
Vahelaid, Olav-Aleksander
Harald-Adam Velner - insener ja veeteadlane
1993
/
lk. 11-13
https://www.ester.ee/record=b1053756*est
Post-graduate studies in Leningrad
Vahelaid, Olav-Aleksander
Harald-Adam Velner - engineer and scientist
1994
/
p. 12-14
https://www.ester.ee/record=b1053757*est
Александр Иванович Вольдек (к столетию со дня рождения)
Zaboin, Valeri
;
Popov, Viktor
Akadeemik Aleksander Voldek 100 : [artiklikogumik ja bibliograafia]
2011
/
с. 27-32 : фот
https://www.ester.ee/record=b2679149*est