Note on inventory model with a mixture of back orders and lost sales. - Peter Chu 001; Kuo-Lung Yang; Shing-Ko Liang; Thomas Niu (Eur. J. Oper. Res., 2004)

Improved periodic review inventory model involving lead-time with crashing components and service level. - Shing-Ko Liang; Peter Chu 001; Kuo-Lung Yang (Int. J. Syst. Sci., 2008)