Kruessmann, G. (1970). Handbuch der Nadelgehölze. Parey.
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Tohutoru Kātū Chicago (17th ed.)
Kruessmann, Gerd. Handbuch Der Nadelgehölze. Berlin, Hamburg: Parey, 1970.
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Tohutoro MLA (9th ed.)
Kruessmann, Gerd. Handbuch Der Nadelgehölze. Parey, 1970.
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Kua rahua te tārua ki te papatopenga
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