380 - Commerce, communications & transportation 700 - The arts; fine & decorative arts 600 - Technology 295 333 - Economics of land & energy 277 000 - Computer science, information & general works 250 900 - History & geography 239 more ... 620 - Engineering & allied operations 231 610 - Medicine & health 156 330 - Economics 155 363 - Other social problems & services 147 140 - Specific philosophical schools 119 320 - Political science 99 576 - Genetics & evolution 71 370 - Education 68 580 - Plants (Botany) 65 551 - Geology, hydrology & meteorology 55 720 - Architecture 51 500 - Natural sciences & mathematics 49 400 - Language 47 340 - Law 44 300 - Social sciences 42 540 - Chemistry & allied sciences 41 658 - General management 36 530 - Physics 33 630 - Agriculture & related technologies 33 800 - Literature & rhetoric 32 100 - Philosophy & psychology 30 414 - Phonology & phonetics 28 304 - Factors affecting social behavior 23 410 - Linguistics 22 581 - Specific topics in natural history 18 612 - Human physiology 18 780 - Music 15 301 - Sociology & anthropology 14 200 - Religion 13 170 - Ethics 10 361 - Social problems & social welfare in general 9 791 - Public performances 8 615 - Pharmacology & therapeutics 7 657 - Accounting 4 770 - Photography, photographs & computer art 4 297 - Islam, Babism & Bahai Faith 3 520 - Astronomy & allied sciences 3 590 - Animals (Zoology) 2 650 - Management & auxiliary services 2 120 - Epistemology, causation & humankind 1 160 - Logic 1 336 - Public finance 1 350 - Public administration & military science 1 360 - Social problems & services; associations 1 550 - Earth sciences 1 see all ... less ...

English 605 Italian 5 Spanish 4 Dutch 2 Portuguese 1

Directory of Open Access Books 633 OAPEN 38 National Center for Biotechnology Information 4

Abed Rabho, Laila 4 Afonso, Alexandre M. 4 Awondo, Patrick 4 Faroughi, Salah Aldin 4 Ferrás, Luís L. 4 Ganahl, Simon 4 more ... Lytras, Miltiadis 4 Miller, Daniel 4 Pinto Fernandes, Célio 4 Yigitcanlar, Tan 4 de Vries, Maya 4 Baptista, Paula 3 Carillo, Petronia 3 Dominique Sagot-Duvauroux 3 Gasparetto, Alessandro 3 Giansanti, Daniele 3 Kim, DaeEun 3 Morik, Katharina 3 Nathalie Moureau 3 Rusu, Eugen 3 Stankovic, Milan 3 Acierno, Domenico 2 Ahamed, Md Shamim 2 Alejandro Valdez Banda, Osiris 2 Allakhverdiev, Suleyman 2 Anders, Günther 2 Antuchevi?ien?, Jurgita 2 Arosio, Paolo 2 Babie, Paul 2 Bao, Haijun 2 Barbour, Kim 2 Basnet,  Sunil 2 Blaabjerg, Frede 2 Bohr, Michael 2 Bose, Ines 2 Bühlmann, Vera 2 Carbone, Giuseppe 2 Ceccarelli, Marco 2 Cesano, Federico 2 Corchado, Juan M. 2 Davari, Pooya 2 Dragicevic, Tomislav 2 Díez-Pascual, Ana 2 Eckart, Peter 2 Edwige Zadora 2 Ellahi, Rehmat 2 Farooq, Muhammad 2 Ferreiro, Anxo Fernández 2 Ferri, Josipa 2 Gontier, Nathalie 2 Gonzalez-Aguilera, Diego 2 Gozzelino, Raffaella 2 Griffiths, Mary 2 Hannken-Illjes, Kati 2 Hernández-Callejo, Luis 2 Hirdaris,  Spyros 2 Indra Gandhi, V 2 Jelokhani-Niaraki, Masoud 2 Krčál, Michal 2 Kujala,  Pentti 2 Kurtenbach, Stephanie 2 Lai, Chun Sing 2 Leadbeter, Paul 2 Lisiecki, Aleksander 2 Liu, Duanyang 2 Mackay, Michael 2 Maestosi, Paola Clerici 2 Mansouri, Taha 2 Marichal, José 2 Marion Vidal 2 Maurer, Stefan 2 Michler, Werner 2 Mondt, Katrien 2 Montoya, Francisco G. 2 Müller-Brozovic, Irena 2 Narzisi, Antonio 2 Nesmachnow, Sergio 2 Ochoa, Jorge 2 Otero-Espinar, Francisco Javier 2 Patti, Antonella 2 Petri-Preis, Axel 2 Pintilii, Radu-Daniel 2 Poli, Maura 2 Qin, Kai 2 Rapeanu, Gabriela 2 Rodríguez-Gonzálvez, Pablo 2 Rouhani, Saeed 2 Sarkar, Biswajit 2 Shamshiri, Redmond R. 2 Shen, Liyin 2 Shoham, Sharon 2 Stončikaitė, Ieva 2 Sultan, Muhammad 2 Tsang, Kim-Fung 2 Vidovićová, Lucie 2 Visvizi, Anna 2 Vizel, Yakir 2 Vladareanu, Luige 2 Vöckler, Kai 2 Wang, Honglei 2 see all ... less ...

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