380 - Commerce, communications & transportation 620 - Engineering & allied operations 501 600 - Technology 384 900 - History & geography 294 700 - The arts; fine & decorative arts 238 333 - Economics of land & energy 209 more ... 000 - Computer science, information & general works 134 363 - Other social problems & services 113 330 - Economics 93 140 - Specific philosophical schools 63 610 - Medicine & health 56 500 - Natural sciences & mathematics 50 576 - Genetics & evolution 50 580 - Plants (Botany) 44 320 - Political science 37 630 - Agriculture & related technologies 36 551 - Geology, hydrology & meteorology 35 720 - Architecture 34 658 - General management 28 340 - Law 27 370 - Education 25 540 - Chemistry & allied sciences 25 300 - Social sciences 21 800 - Literature & rhetoric 19 400 - Language 18 530 - Physics 18 414 - Phonology & phonetics 16 384 - Communications; telecommunication 10 100 - Philosophy & psychology 9 410 - Linguistics 9 304 - Factors affecting social behavior 8 581 - Specific topics in natural history 8 170 - Ethics 6 780 - Music 6 612 - Human physiology 5 808 - Rhetoric & collections of literature 4 301 - Sociology & anthropology 3 361 - Social problems & social welfare in general 3 550 - Earth sciences 3 004 - Data processing & computer science 2 200 - Religion 2 302 - Social interaction 2 331 - Labor economics 2 657 - Accounting 2 745 - Decorative arts 2 005 - Computer programming, programs & data 1 006 - Special computer methods 1 120 - Epistemology, causation & humankind 1 297 - Islam, Babism & Bahai Faith 1 360 - Social problems & services; associations 1 381 - Commerce 1 615 - Pharmacology & therapeutics 1 621 - Applied physics 1 650 - Management & auxiliary services 1 670 - Manufacturing 1 770 - Photography, photographs & computer art 1 791 - Public performances 1 see all ... less ...

English 493 Italian 2 Spanish 2 No linguistic content 1

Directory of Open Access Books 490 OAPEN 14 O'Reilly 11 National Center for Biotechnology Information 3 Eighteenth Century Collections Online / ECCO 2 Nomos 1

Vermesan, Ovidiu 8 Afonso, Alexandre M. 4 Antonios Tsourdos 4 Faroughi, Salah Aldin 4 Felipe Gonzalez Toro 4 Ferrás, Luís L. 4 more ... Pinto Fernandes, Célio 4 Antuchevi?ien?, Jurgita 3 Baptista, Paula 3 Carillo, Petronia 3 Friess, Peter 3 Hoff, Inge 3 Kim, DaeEun 3 Montoya, Francisco G. 3 Mork, Helge 3 Saba, Rabbira 3 Shamshiri, Redmond R. 3 Stankovic, Milan 3 Sultan, Muhammad 3 Yue, Yang 3 Zavadskas, Edmundas Kazimieras 3 Abd-Alhameed, Raed A 2 Acierno, Domenico 2 Ahamed, Md Shamim 2 Alejandro Valdez Banda, Osiris 2 Bacquet, Joël 2 Basnet,  Sunil 2 Baños Navarro, Raúl 2 Blaabjerg, Frede 2 Canavor, Natalie 2 Carbone, Giuseppe 2 Ceccarelli, Marco 2 Corchado, Juan M. 2 Davari, Pooya 2 Dragicevic, Tomislav 2 Ellahi, Rehmat 2 Farooq, Muhammad 2 Gasparetto, Alessandro 2 Gonzalez-Aguilera, Diego 2 Hao, Qi 2 Hernández-Callejo, Luis 2 Hirdaris,  Spyros 2 Hoekstra, Arjen Y. 2 Hrissanthou, Vlassios 2 Hu, Fei 2 Kanematsu, Hideyuki 2 Kawasaki, Tomoya 2 Kujala,  Pentti 2 Lai, Chun Sing 2 Lau, Yui-yip 2 Lisiecki, Aleksander 2 Lytras, Miltiadis 2 Marshall, Gerald F. 2 Meirowitz, Claire 2 Michaelides, Silas 2 Mohammady, Somayeh 2 Morik, Katharina 2 Nesmachnow, Sergio 2 Pan, Zhongqi 2 Patti, Antonella 2 Rodríguez-Gonzálvez, Pablo 2 Rusu, Eugen 2 Sarkar, Biswajit 2 Shoham, Sharon 2 Stutz, Glenn E. 2 Sukharevsky, Oleg I. 2 Sun, Yifei 2 Tsang, Kim-Fung 2 Vizel, Yakir 2 Wang, Yinhai 2 Yigitcanlar, Tan 2 You, Frank M. 2 You, Zhanping 2 Zhang, Zhien 2 Zheng, Jian-long 2 A Strangio, Maurizio 1 A. Miedema, Sape 1 Abdelsalam, Sara I. 1 Abelha, Marta 1 Abrams, Michael J. 1 Acarman, Tankut 1 Acquah, Moses Amoasi 1 Adams II, Thomas A. 1 Agarwal, Ramesh 1 Agustiady, Tina 1 Ahmad, Iqbal 1 Akizu-Gardoki, Ortzi 1 Aksoy, Hafzullah 1 Al-Rizzo, Hussain M. 1 Ala-Mantila, Sanna 1 Alario-Hoyos, Carlos 1 Albayrak Ceper, Bilge 1 Albrecht, Jochen 1 Alcober Bosch, Vicente 1 Ali, Majid 1 Ali, Syed Mithun 1 Ali, Zain Anwar 1 Alimi, Isiaka A. 1 Allakhverdiev, Suleyman 1 Alves, Gustavo 1 see all ... less ...

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