The Elements of Structural Botany with Special Reference to the Study of Canadian Plants ... by H. B. Spotton.Henry Byron Spotton1897
Forward scatter meter measurements of slant visual range / Wayne S. Hering, Edward B. Geisler.Wayne S. Hering1978
Non-Newtonian gravity or gravity anomalies? / David P. Rubincam, B. Fong Chao, Kenneth H. Schatten, and William W. Sager.David P. Rubincam1988