Potato Blight Epidemics Throught the World
Cox A E & Large E C
Potato Blight Epidemics Throught the World - Agri Res Serv, Washington - pp 230; 26*20
I23:341/N60/B09634
Potato Blight Epidemics Throught the World - Agri Res Serv, Washington - pp 230; 26*20
I23:341/N60/B09634