Precise Segmentation of Calcifications for Reliable Computerized Diagnosis. - Janne Näppi; Peter B. Dean; Tiina Ojala; Olli Nevalainen; Sakari Toikkanen (Digital Mammography / IWDM, 1998)

Computerized diagnosis of breast calcifications using specimen radiography and simulated calcifications. - Janne J. Näppi; Peter B. Dean; Olli Nevalainen; Sakari Toikkanen (Image Processing, 1999)

Algorithmic 3D simulation of breast calcifications for digital mammography. - Janne Näppi; Peter B. Dean; Olli Nevalainen; Sakari Toikkanen (Comput. Methods Programs Biomed., 2001)