How to know the immature insects an illustrated key for identifying the orders and families of many of the immature insects with suggestions for collecting, rearing and studying them a
| Váldodahkki: | |
|---|---|
| Materiálatiipa: | Girji |
| Giella: | eaŋgalasgiella |
| Almmustuhtton: |
Dubuque, Iowa
W. C. Brown Publishers
[1949].
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| Fáttát: |