Youngken, Heber W.
Nationality: Undetermined, possibly 
(Germany)
Identities and Authority Control
- pdbooks.info ID: 132666
Heber W. Youngken Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Zellen- und gewebelehre, morphologie und entwicklungs-geschichte: I: Botanischer teil | 1913 | Author | |  |  | | |    
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