Plants collected and tested by Thomas A. Edison as possible sources of domestic rubber
Polhamus, L.G.
Plants collected and tested by Thomas A. Edison as possible sources of domestic rubber (Book) - Beltsville United States Department of Agriculture 1967 - 191p. 26 cm.
633.91:001.4:678.4 POL / 2433
Plants collected and tested by Thomas A. Edison as possible sources of domestic rubber (Book) - Beltsville United States Department of Agriculture 1967 - 191p. 26 cm.
633.91:001.4:678.4 POL / 2433