Heimo Mikkola

• Owls of the world
• Owls of the World
• Amazon Ecosystem - Past Discoveries and Future Prospects
• Bats
• Birds
• Der Bartkauz
• Der Bartkauz, Strix nebulosa
• Ecological relationships in European owls
• Ecosystem and Biodiversity of Amazonia
• Edible Insects
• Education, Human Rights and Peace in Sustainable Development
• Education, Human Rights and Peace in Sustainable Development