Westbroek, P. (1967). Morphological observations with systematic implications on some Palaeozoic Rhynchonellida from Europe, with special emphasis on the Uncinulidae.
Citace podle Chicago (17th ed.)Westbroek, P. Morphological Observations with Systematic Implications on Some Palaeozoic Rhynchonellida from Europe, with Special Emphasis on the Uncinulidae. 1967.
Citace podle MLA (8th ed.)Westbroek, P. Morphological Observations with Systematic Implications on Some Palaeozoic Rhynchonellida from Europe, with Special Emphasis on the Uncinulidae. 1967.
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