30.01 history of the exact sciences 1 42.00 biology: general 1 50.01 history of the technical sciences 1 Biologie 1 Biologie expérimentale 1 Biology 1 Biology, Experimental 1 Exacte wetenschappen 1 History 1 Science 1 Science Natural history - Biology Biology (General) 1 Science Physiology Biology (General) ; Invertebrates ; Zoology ; Neurophysiology and neuropsychology ; Physiology 1 Science Zoology Biology (General) ; Invertebrates ; Zoology 1 Technische wetenschappen 1 history 1