Lecture Notes in Mathematics 354 Mathematics 103 Physics 47 Microbiology 46 Pharmacology and Toxicology 41 Cytology 40 Polymer science 38 CHROMOSOMA 36 Pest control 36 Genetics 35 Number theory-- Algebra-- Mathematics 34 Pathology 34 Physiology 33 Computer science 31 Topological and related algebra and groups 31 Congresses 29 Groups-- Algebra-- Mathematics 29 Biochemistry 26 Biology 26 Botanical science 26 Functions of complex variables-- Analysis-- Mathematics 26 Organic chemistry 26 Polymers 26 Ecology 25 Mathematical physics 25 Nanostructured materials 25 Plant physiology 25 Differential equations-- Analysis-- Mathematics 24 Histology 24 Quantum theory 24