Westmoreland, Phillip R.; Kollman, Peter A.; Chaka, Anne M.; Cummings, Peter T.; Morokuma, Keiji; Neurock, Matthew; Stechel, Ell Kluwer Academic Publishers 2002 Kovakantinen kirja
Westmoreland, Phillip R.; Kollman, Peter A.; Chaka, Anne M.; Cummings, Peter T.; Morokuma, Keiji; Neurock, Matthew; Stechel, Ell Springer 2010 Pehmeäkantinen kirja