[2] Bracho J., Montejano L.: 
The combinatorics of colored triangulations of manifolds. Geom. Dedicata 22 (1987), 303-328. 
MR 0887580 | 
Zbl 0631.57017[4] Cavicchioli A.: 
A combinatorial characterization of $\Bbb S^3\times \Bbb S^1$ among closed 4-manifolds. Proc. Amer. Math. Soc. 105 (1989), 1008-1014. 
MR 0931726[5] Ferri M., Gagliardi C., Grasselli L.: 
A graph-theoretical representation of PL-manifolds. A survey on crystallizations. Aequationes Math. 31 (1986), 121-141. 
MR 0867510 | 
Zbl 0623.57012[6] Mandelbaum R.: 
Four-dimensional topology: an introduction. Bull. Amer. Math. Soc. 2 (1980), 1-159. 
MR 0551752 | 
Zbl 0476.57005[7] Milnor J.W.: 
A procedure for killing the homotopy groups of differentiable manifolds. in Proc. Symp. in Pure Math. (Differential Geometry), Amer. Math. Soc. 3 (1961), 39-55. 
MR 0130696[9] Rourke C.P., Sanderson B.J.: 
Introduction to piecewise-linear topology. Springer-Verlag Ed., Berlin-Heidelberg-New York, 1972. 
MR 0350744 | 
Zbl 0477.57003[10] Shaneson J.L.: 
Wall's surgery obstruction groups for $G\times \Bbb Z$. Ann. of Math. 90 (1969), 296-334. 
MR 0246310[11] Shaneson J.L.: 
Non-simply connected surgery and some results in low dimension topology. Comm. Math. Helv. 45 (1970), 333-352. 
MR 0275444[12] Shaneson J.L.: 
On non-simply connected manifolds. in Proc. Sympos. Pure Math., Amer. Math. Soc., Providence, Rhode Island 22 (1970), 221-229. 
MR 0358816 | 
Zbl 0226.57007[15] White A.T.: 
Graphs, Groups and Surfaces. North Holland Ed., Amsterdam, 1973. 
Zbl 0551.05037