Lecture Notes in Mathematics 354 Mathematics 104 Physics 54 Microbiology 46 Pharmacology and Toxicology 43 Cytology 41 Polymer science 38 Pest control 37 CHROMOSOMA 36 Genetics 35 Pathology 35 Number theory-- Algebra-- Mathematics 34 Physiology 34 Computer science 31 Topological and related algebra and groups 31 Congresses 29 Groups-- Algebra-- Mathematics 29 Biology 27 Organic chemistry 27 Biochemistry 26 Botanical science 26 Ecology 26 Functions of complex variables-- Analysis-- Mathematics 26 Plant physiology 26 Polymers 26 Mathematical physics 25 Nanostructured materials 25 Quantum theory 25 Differential equations-- Analysis-- Mathematics 24 Histology 24