Smith V, Mansfield CA, Clayton (Trantham) L. Valuing a homeland security policy: countermeasures for the threats from shoulder mounted missiles. J Risk Uncertain. 2009;38(3):215-43.
Bonfill X, Rivero E, Moreno C, Rué M. Changes in cancer mortality in Catalonia and Spain (1975-77 and 1987-89). A comparison with other European countries. Eur J Cancer Prev. 1995 Dec;4(6):453-8.