An improved version of ISICS: a program for calculating K-, L- and M-shell cross sections from PWBA and ECPSSR theory using a personal computer. - Sam J. Cipolla (Comput. Phys. Commun., 2007)

ISICS2008: An expanded version of ISICS for calculating K-, L-, and M-shell cross sections from PWBA and ECPSSR theory. - Sam J. Cipolla (Comput. Phys. Commun., 2009)

ISICS2011, an updated version of ISICS: A program for calculation K-, L-, and M-shell cross sections from PWBA and ECPSSR theories using a personal computer. - Sam J. Cipolla (Comput. Phys. Commun., 2011)

ISICSoo: A class for the calculation of ionization cross sections from ECPSSR and PWBA theory. - Matej Batic; Maria Grazia Pia; Sam J. Cipolla (Comput. Phys. Commun., 2012)

Corrected ISICSoo class version. - Matej Batic; Maria Grazia Pia; Sam J. Cipolla (Comput. Phys. Commun., 2013)

Corrected ISICS program versions available due to a minor calculation error involving M3 X-ray production cross sections. - Sam J. Cipolla (Comput. Phys. Commun., 2013)