TransliterationApollov B.A., Valedinskiy V.V., Vikhman A.M. i dr. Predvaritelnye otchety po portovym izyskaniyam na moryakh Respubliki za period 1918-1921 gg.
In EnglishApollov B.A., Valedinsky V.V., Vikhman A.M. et al. Preliminary reports on port surveys on the seas of the Republic for the period 1918-1921 In Russian (ask us if in doubt)
$399