Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio '', amser ymholiad: 0.04e Mireinio'r Canlyniadau
  1. 1
    Cyhoeddwyd 1976
    [Washington] : U.S. Dept. of Commerce, Bureau of Economic Analysis : [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1976.
    xii, 734 p. ; 26 cm.
  2. 2
    Cyhoeddwyd 1966
    New Delhi : Council of Scientific & Industrial Research, c1966.
    viii, 39 p. ; 26 cm.

Offerynnau Chwilio: