الكتب الالكترونية

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978-3-540-29727-7
The Lung-Air Sac System of Birds

This book provides cutting-edge details on the development, structure, function, and evolutionary design of the avian respiratory ...

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978-3-540-48548-3
Wood Structure and Environment

The main aim of this book is to show the hidden ecological richness in stems and roots from trees, shrubs and herbs.

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عدد الكتب: 1 - 2 /2