PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, vol. 369, no. 1955, page. 4644 - 4650, 2011-11-28
JOURNAL OF BIOMEDICAL OPTICS, vol. 15, no. 4, 2010-07
JOURNAL OF BIOMEDICAL OPTICS, vol. 15, no. 1, 2010-01