Van Nostrand's scientific encyclopedia : aeronautics, astronomy, biochemistry, botany, chemical engineering, chemistry, civil engineering, computer technology, electrical engineering, electronics, geology, guided missiles, mathematics, mechanical engineering, medicine, metallurgy, meteorology, mineralogy, navigation, nuclear science and engineering, photoelectronics, photography, physics, planetary exploration, radio and television, rocketry, space travel, statistics, zoology / Science Dictionaries. Q121 .V3 1968 503 VAN Princeton, N.J. : Van Nostrand, 1968. 1968. 1968 Text ix, 2008 p. : eng