Top concepts

  • agriculture
  • anthropology
  • architecture and town planning
  • art
  • astronomy
  • biology
  • chemistry
  • civil engineering
  • communications
  • computer technology
  • consumer industry
  • economic sciences
  • electronics
  • electrotechnics
  • food industry
  • generalities
  • geography
  • geology
  • geophysics
  • health services
  • history
  • informatics
  • information science
  • law
  • linguistics
  • literature
  • mathematics
  • mechanical engineering
  • metallurgy
  • military affairs
  • mining engineering
  • pedagogy
  • philosophy
  • physics
  • politology
  • power engineering
  • psychology
  • religion
  • science and technology
  • sociology
  • sport
  • systems theory
  • transport
  • water management


Polythematic Structured Subject Heading System (PSH) created by the National Library of Technology is licensed under the Creative Commons Attribution-ShareAlike 3.0 Czech Republic license.
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