Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio '"Mines and mineral resources"', amser ymholiad: 0.03e Mireinio'r Canlyniadau
  1. 1
    gan Shaw, S. K.
    Cyhoeddwyd 1956
    Sheffield : Ministry of Fuel and Power, Safety in Mines Research Establishment, 1956.
    1 online resource (21 p.) : ill.
    Pynciau: ...Mines and mineral resources Research....
    Center for Research Libraries
    Mynediad Ar-lein
  2. 2
    gan Shaw, S. K.
    Cyhoeddwyd 1956
    Sheffield : Ministry of Fuel and Power, Safety in Mines Research Establishment, 1956.
    21 p. : ill. ; 24 cm.
    Pynciau: ...Mines and mineral resources Research....

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