Manion, Paul D
Scleroderris canker of conifers: proceedings - Boston, Academic publishers group 1984 - 273 - Forestry sciences .
90-247-2912-2
Scleroderris-canker/congresses gremmeniella abietina conifers-diseases-congresses
634.975 MAN
100
Scleroderris canker of conifers: proceedings - Boston, Academic publishers group 1984 - 273 - Forestry sciences .
90-247-2912-2
Scleroderris-canker/congresses gremmeniella abietina conifers-diseases-congresses
634.975 MAN
100