Gubbens, P. C. (1977). Magnetic properties of rare earth iron compounds. Delft University Press.
Lua i Stíl Chicago (17ú heag.)Gubbens, Paulus C.M. Magnetic Properties of Rare Earth Iron Compounds. Amsterdam: Delft University Press, 1977.
Lua MLA (9ú heag.)Gubbens, Paulus C.M. Magnetic Properties of Rare Earth Iron Compounds. Delft University Press, 1977.
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