1 - Shape theory: an introduction Dydak, Jerzy / Segal, JackCote : [LNM 688]
2 - Theory of retractsHu, Sze-Tsen (1914-1999)Cote : [57 HU 65]
3 - Theory of retractsBorsuk, Karol (1905-1982)Cote : [51 BOR 67]