(1958). Van Nostrand's scientific encyclopedia: Aeronautics, astronomy, biochemistry, botany, chemical engineering, chemistry, civil engineering, computer technology, electrical engineering, electronics & radio, geology, mathematics, mechanical engineering, medicine, metallurgy, meteorology, mineralogy, navigation, photography, physics, statistics, zoology (3rd ed.). New York: D. Van Nostrad Company.
Παραπομπή Chicago StyleVan Nostrand's Scientific Encyclopedia: Aeronautics, Astronomy, Biochemistry, Botany, Chemical Engineering, Chemistry, Civil Engineering, Computer Technology, Electrical Engineering, Electronics & Radio, Geology, Mathematics, Mechanical Engineering, Medicine, Metallurgy, Meteorology, Mineralogy, Navigation, Photography, Physics, Statistics, Zoology. 3rd ed. New York: D. Van Nostrad Company, 1958.
Παραπομπή MLAVan Nostrand's Scientific Encyclopedia: Aeronautics, Astronomy, Biochemistry, Botany, Chemical Engineering, Chemistry, Civil Engineering, Computer Technology, Electrical Engineering, Electronics & Radio, Geology, Mathematics, Mechanical Engineering, Medicine, Metallurgy, Meteorology, Mineralogy, Navigation, Photography, Physics, Statistics, Zoology. 3rd ed. New York: D. Van Nostrad Company, 1958.