Geodesic
On the homology of a free nilpotent group of class 2
Sbornik. Mathematics, Tome 189 (1998) no. 4, pp. 527-560 Cet article a éte moissonné depuis la source Math-Net.Ru

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Let $G$ be a free nilpotent group of class 2, and let ${\mathscr G}$ be a free nilpotent Lie ring of class 2 with the same number of free generators. For $G$ a free resolution is constructed which as a graded ${\mathbb Z}G$-module is isomorphic to ${\mathbb Z}G\otimes \Lambda ({\mathscr G})$, where ${\mathbb Z}G$ is the group ring of the group $G$ and $\Lambda ({\mathscr G})$ is the exterior algebra of the ring ${\mathscr G}$. As a consequence of the basic construction an isomorphism $H_nG\cong H_n{\mathscr G}$ of integral homology is derived. 
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Yu. V. Kuz'min; Yu. S. Semenov. On the homology of a free nilpotent group of class 2. Sbornik. Mathematics, Tome 189 (1998) no. 4, pp. 527-560. http://geodesic.mathdoc.fr/item/SM_1998_189_4_a2/

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