Martell, A.M. Seed predation by small mammals not a risk for black spruce seeding programs / A.M. Martell, A.L. Macaulay, G.W. Crook. -- Sault Ste. Marie : Canadian Forest Service, 1995. -- 1 dvojlist : 3 obr. ; 28 cm. -- (Frontline ; Technical Note 48). -- ISBN 0-662-22906-1 (brož.) : .00. -- ISSN 1183-2762

I. Macaulay, A.L.
II. Crook, Gregory W.
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