A method for determining the surface areas of various aquatic plants /
Harrod, J. J.
A method for determining the surface areas of various aquatic plants / by J. J. Harrod and R. E. Hall - Den Haag : W. Junk, 1962 - 175-178 p. : ill. ; 26 cm - Hydrobiologia ; 20 .
A method for determining the surface areas of various aquatic plants / by J. J. Harrod and R. E. Hall - Den Haag : W. Junk, 1962 - 175-178 p. : ill. ; 26 cm - Hydrobiologia ; 20 .