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Subjects
377 - Specialized instruction. Vocational, technical, professional training. Vocational colleges, institutes. Polytechnics
[73]
378 - Higher education. Universities. Academic study
[562]
379.8 - Leisure
[46]
39 - Cultural anthropology. Ethnography. Customs. Manners. Traditions. Way of life
[130]
5 - Natural Sciences
[134]
50 - Basic concepts of Natural Sciences
[9]
502 - The environment and its protection
[178]
504 - Threats to the environment
[872]
51 - Mathematics
[605]
510 - Fundamental and general considerations of mathematics
[17]
511 - Number theory
[16]
512 - Algebra
[137]
514 - Geometry
[87]
515.1 - Topology
[21]
517 - Analysis
[212]
519.1 - Combinatorial analysis. Graph theory
[105]
52 - Astronomy. Astrophysics. Space research. Geodesy
[247]
53 - Physics
[859]
530.1 - General principles of physics
[18]
531/534 - Mechanics
[216]