Ward, H. Marshall 1854-1906
Disease in Plants [recurso electrónico] / H. Marshall Ward - Project Gutenberg, 2012 - Project Gutenberg 39011 .
Public domain in the USA.
Text
Plant diseases
SB
Disease in Plants [recurso electrónico] / H. Marshall Ward - Project Gutenberg, 2012 - Project Gutenberg 39011 .
Public domain in the USA.
Text
Plant diseases
SB