Journal article (2010) - A. da Costa Assafrao (author), SF Pereira (author), S. F. Pereira (author), S.F. Pereira (author), HP Urbach (author), H.P. Urbach (author), H. P. Urbach (author), Paul Urbach (author), H. Paul Urbach (author), C Fery (author), L von Riewel (author), S Knappmann (author)