SATIJA, M. P., SINGH, Jagtar. Colon classification: a requiem. In: DESIDOC journal of library and information technology [online]. July 2013, 33(4), 265-276 [cit. 2013-08-12]. ISSN 0976-4658. Dostupný z: http://www.publications.drdo.gov.in/ojs/index.php/djlit/article/view/4881.
Dostupný volně z webu vydavatele: http://www.publications.drdo.gov.in/ojs/index.php/djlit/article/view/4881.