issledovanija i materialy. serija 1 Soviet waterways : the development of the Inland Navigation System in the USSR / by Andrei Lebed, Boris Yakovlev navigators' guide to hyperbolic navigation / H. Neville radiation laboratory series Radar aids to navigation / ed. by John S. Hall Statement of the Chinese government and other official documents relating to the negotiation for the termination of the Sino-Belgian treaty of amity, commerce and navigation …
