Nastavlenie po organizat͡s︡ii͡a︡ na shturmanskata sluzhba na korabite ot morskii͡a︡ flot na NRB
By: Ministerstvo na transporta, SO Vodentransport--Varna.
Contributors: Voden transport, DSO.
Publisher: [s.n.]
Published: 1978
Place of publication: Varna
Language: bul
Number of pages: 88
Subjects: Seamanship.