no. 4
Manifolds of the homotopy type of a bouquet of spheres
Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche, Série 3, Tome 24 (1970) no. 4, pp. 703-715. 
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     title = {Manifolds of the homotopy type of a bouquet of spheres},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
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     volume = {Ser. 3, 24},
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     year = {1970},
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Hacon, D. D. J. Manifolds of the homotopy type of a bouquet of spheres. Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche, Série 3, Tome 24 (1970) no. 4, pp. 703-715. http://www.numdam.org/item/ASNSP_1970_3_24_4_703_0/

[1] D. Barden; Thesis, Cambridge.

[2] D.D.J. Hacon: Knotted spheres in Tori, Q. J. M. Oxford (2) 20 (1969), 431 445. | MR | Zbl

[3] A. Haefligfr: Enlacements de sphères en codimension supérieure à deux. Comm. Math. Helv. 41 (1966) 51-72. | MR | Zbl

[4] J.F.P. Hudson and W.B.R. Lickorish: Extending PL concordances, to appear.

[5] J. Stallings: The embedding of homotopy types into manifolds, to appear.

[6] C.T.C. Wall: Classification problems in differential topology, IV, Topology 5 (1966) 73-94. | MR | Zbl

[7] E.C. Zeeman: Seminar on Combinatorial Topology I. H. E. S. (1963), revised 1966). | MR | Zbl