Retrieved November 24, 2004, from: www.blackwell-synergy.com/links/doi/10.1046/j.1365-2451.2002.00345.x/full/*Pogue, J. E. (1915).
Retrived November 24, 2004, from: www.blackwell-synergy.com/links/doi/10.1046/j.1365-2451.2002.00345.x/full/* Pogue, J. E. (1915).