Katalog Biblioteki Uniwersytetu Przyrodniczego w Poznaniu

Natural Regeneration of Swamp Black Spruce in Minnesota Under Various Cutting Systems.

Heinselman, M.L.

Natural Regeneration of Swamp Black Spruce in Minnesota Under Various Cutting Systems. - 1959. - s. 22 : il. , tab. ; 24 cm. - No. 32 . - Prod. Res. Rep. No. 32 .

bibliogr. = Prod. Res. Rep.