Entschel, R. (1959). Zur Kenntnis der Carotinoide.
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Tohutoru Kātū Chicago (17th ed.)
Entschel, Roland. Zur Kenntnis Der Carotinoide. Zürich, 1959.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Entschel, Roland. Zur Kenntnis Der Carotinoide. 1959.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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