- Elementary Particles, Quantum Field Theory 74
- Quantum Field Theories, String Theory 74
- Classical and Quantum Gravitation, Relativity Theory 51
- Quantum Physics 51
- Nuclear Physics, Heavy Ions, Hadrons 37
- Measurement Science and Instrumentation 26
- Astronomy, Astrophysics and Cosmology 23
- Nuclear Energy 23
- Plant Sciences 21
- Characterization and Evaluation of Materials 18
- Inorganic Chemistry 18
- Physical Chemistry 17
- Condensed Matter Physics 16
- Forestry 15
- Cardiology 12
- Agriculture 11
- Diagnostic Radiology 11
- Ecology 11
- Nuclear Chemistry 11
- Plant Ecology 11