Helmholtz's theory of vision

anti-dazzle glass headlight beam-deflection Castellani-Low symptom cow-heart defrizzed fugitive constituents genus termess hordeum pusillums jucerne King's Guide kottman photofluorographs pollution tolerant organism quantum electro dynamics retaining dike saintjohn tetradelphous stamen tetraommatus taiwanus trade size turbulent inertial subrange