Foreign diseases of forest trees of the world, an annotated list
Spaulding, P.
Foreign diseases of forest trees of the world, an annotated list - Washington 1961 - 361 p. - No. 197; United States Department .
634.9:632
Foreign diseases of forest trees of the world, an annotated list - Washington 1961 - 361 p. - No. 197; United States Department .
634.9:632