Northern sea route and the economy of the Soviet North

Eitemau Tebyg

• Route surveys and design
  gan: Hickerson, Thomas F
  Cyhoeddwyd: (1959)
• Northern World
  gan: Wilson, David M.
  Cyhoeddwyd: (1980)
• Northern frontier of India
  gan: Bajpai, S.C
  Cyhoeddwyd: (1970)
• Medieval Routes to India : Baghdad to Delhi /
  gan: Verma , H.C
  Cyhoeddwyd: (1978)
• Routing, flow, and capacity design in communication and computer networks/
  gan: Pioro, Michal
  Cyhoeddwyd: (2004)