363 - Other social problems & services 500 - Natural sciences & mathematics 330 - Economics 81 620 - Engineering & allied operations 59 700 - The arts; fine & decorative arts 53 600 - Technology 52 more ... 364 - Criminology 50 333 - Economics of land & energy 43 000 - Computer science, information & general works 37 610 - Medicine & health 27 551 - Geology, hydrology & meteorology 25 581 - Specific topics in natural history 25 576 - Genetics & evolution 23 658 - General management 23 331 - Labor economics 21 380 - Commerce, communications & transportation 21 900 - History & geography 21 140 - Specific philosophical schools 20 580 - Plants (Botany) 19 100 - Philosophy & psychology 18 370 - Education 17 300 - Social sciences 13 320 - Political science 13 540 - Chemistry & allied sciences 12 630 - Agriculture & related technologies 12 800 - Literature & rhetoric 11 340 - Law 10 612 - Human physiology 9 530 - Physics 7 720 - Architecture 7 400 - Language 6 001 - Knowledge 5 384 - Communications; telecommunication 5 338 - Production 4 410 - Linguistics 4 621 - Applied physics 4 170 - Ethics 3 200 - Religion 3 361 - Social problems & social welfare in general 3 414 - Phonology & phonetics 3 780 - Music 3 120 - Epistemology, causation & humankind 2 304 - Factors affecting social behavior 2 368 - Insurance 2 615 - Pharmacology & therapeutics 2 657 - Accounting 2 005 - Computer programming, programs & data 1 160 - Logic 1 301 - Sociology & anthropology 1 332 - Financial economics 1 374 - Adult education 1 381 - Commerce 1 519 - Probabilities & applied mathematics 1 550 - Earth sciences 1 660 - Chemical engineering 1 670 - Manufacturing 1 920 - Biography, genealogy & insignia 1 see all ... less ...

English 268 Spanish 2 German 1 Japanese 1 No linguistic content 1

Directory of Open Access Books 154 O'Reilly 115 National Center for Biotechnology Information 11 OAPEN 4

Rijksinstituut voor Volksgezondheid en Milieu (Netherlands) 10 Shavers, Brett 6 Bremmer, H. J. 5 Engelen, J. G. M. van 5 Baveye, Philippe C. 4 Biesebeek, J. D. te 4 more ... Nijkamp, M. M. 4 Altheide, Cory 3 Baptista, Paula 3 Burg, W. ter 3 Carillo, Petronia 3 Carvey, Harlan A. 3 Johansen, Gerard 3 Kim, DaeEun 3 Sammons, John 3 Stankovic, Milan 3 Bokkers, B. G. H. 2 Casey, Eoghan 2 Choo, Kim-Kwang Raymond 2 Feiglstorfer, Hubert 2 Gogolin, Greg 2 Kravchenko, Alexandra 2 Lanza, Stefania 2 Li, Wen-Jun 2 Meesters, J. A. J. 2 Menke, Joshua E. 2 Menke, William 2 Muzirafuti, Anselme 2 Nikkel, Bruce 2 Otten, Wilfred 2 Paraforos, Dimitrios 2 Randazzo, Giovanni 2 Reiber, Lee 2 Schuur, A. G. 2 Wells, Joseph T. 2 Wijnhoven, S. W. P. 2 Adeyeye, Kemi 1 Agarwal, Ramesh 1 Aiello, Gemma 1 Akhgar, Babak 1 Alazaiza, Motasem Y. D. 1 Albahnasawi, Ahmed 1 Aldama-Campino, Aitor 1 Alexander Speed, Robert 1 Allcock, A.L. 1 An Stepec, Biwen Annie 1 Anderson, Kym 1 Anderson, Lesleigh 1 Andrew Bohan, David 1 Antonio Martos-Sitcha, Juan 1 Ao, Zhimin 1 Appel, Edward J. 1 Atanasiu, Vlad 1 Autran, Jean-Luc 1 Badawi, Ahmed K. 1 Badiru, Adedeji Bodunde 1 Bailis, Rob 1 Bair, John 1 Balan, Murugabaskar 1 Barretta, Raffaele 1 Barthel, Stephan 1 Bates, A. E. 1 Becker, Wendy S. 1 Beckmann, Timo 1 Beiras, Ricardo 1 Bendik-Keymer, Jeremy 1 Bergamasco, Massimo 1 Berger, Marcus 1 Besser, Michael 1 Bezemer, Martijn 1 Bianchi, Fabrizio 1 Biedermann, Alex 1 Biegelman, Martin T. 1 Biggs, Reinette 1 Biondi, Antonio 1 Biringer, Betty E. 1 Birkeland, Nils-Kaare 1 Bjerga, Alan 1 Blume, Theresa 1 Bolt, Steven 1 Bosco, Francesca M. 1 Bousbaa, Hassan 1 Bowker, Art 1 Boyle, Richard D. 1 Bozza, Silvia 1 Brühl, Carsten A. 1 Bunting, Steve 1 Buono, Andrea 1 Burns, Maria G. 1 Burrows, Andrea 1 Burton, Kevin D. 1 Calatayud, Paul-andré 1 Calise, Francesco 1 Campbell, Tony 1 Cao, Huajun 1 Carminati, Andrea 1 Carmona Medeiro, Enrique 1 Carravetta, Armando 1 Casetta, Elena 1 Castaldi, Marco J. 1 see all ... less ...

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