140 - Specific philosophical schools 170 - Ethics 363 - Other social problems & services 900 - History & geography 333 - Economics of land & energy 4 380 - Commerce, communications & transportation 3 more ... 620 - Engineering & allied operations 3 700 - The arts; fine & decorative arts 3 000 - Computer science, information & general works 2 300 - Social sciences 2 340 - Law 2 370 - Education 2 551 - Geology, hydrology & meteorology 2 576 - Genetics & evolution 2 580 - Plants (Botany) 2 600 - Technology 2 610 - Medicine & health 2 630 - Agriculture & related technologies 2 720 - Architecture 2 800 - Literature & rhetoric 2 100 - Philosophy & psychology 1 200 - Religion 1 330 - Economics 1 400 - Language 1 581 - Specific topics in natural history 1 see all ... less ...

English 5

Directory of Open Access Books 4 OAPEN 1

Gonzalez-Aguilera, Diego 2 Rodríguez-Gonzálvez, Pablo 2 Chatzichristofis, Savvas A. 1 Landman, Christina 1 Smardon, Richard 1 Spangenberg, Izak 1 more ... Zinonos, Zinon 1 see all ... less ...

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