Berns, Roy S., Jay Krueger and Michael Swicklik. "Multiple Pigment Selection for Inpainting Using Visible Reflectance Spectrophotometry." Studies in Conservation 47/1 (2002): 46-61.

Berns, Roy S., Jay Krueger and Michael Swicklik. "Multiple Pigment Selection for Inpainting Using Visible Reflectance Spectrophotometry." Studies in Conservation 47/1 (2002): 46-61.