(1969). Life history notes on some Egyptian solitary wasps and bees and their associates (Hymenoptera: Aculeata) / Karl V. Krombein.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Life History Notes on Some Egyptian Solitary Wasps and Bees and Their Associates (Hymenoptera: Aculeata) / Karl V. Krombein. 1969.
MLA -ийн эшлэл (9 дэх хэвлэлт)Life History Notes on Some Egyptian Solitary Wasps and Bees and Their Associates (Hymenoptera: Aculeata) / Karl V. Krombein. 1969.
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