2003

• Vitenskapelig foredrag
  Baas, Nils Andreas. (2003) Some thoughts on elliptic objects. Norwegian Topology Meeting , Oslo 2003-05-15 -
• Vitenskapelig foredrag
  Baas, Nils Andreas. (2003) High order K-theory,. ATM 2003 , Malaga 2003-09-09 -