World Health Organization. Hitological Typing of Lung Tumours. International Histological Classification of Tumours. No. 1. 1981
TRAVIS, WD. Histological typing of lung and pleural tumours. World Health Organization International Histological Classification of Tumours. 1999
NAKAYAMA, H. Clonal growth of atypical adenomatous hyperplasia of the lung : cyto-fluorometric analysis of nuclear DNA content. Mod Pathol. 1990, 3, 314-320