1. McKee, R.C., Gander, J.W., and Wachuta, J., Paperboard Packag. 38(8): 149(1963).
2. Jonson, G. and Ponton, S., Boxboard Containers 93(11): 23(1985).
3. Müller, G., “Die erweiterte McKee-Formel,” Papier + Folien. 37(5): 22(2002).
4. Shick, P.E. and Chari, N.C.S., Tappi 48(7): 423(1965).
5. Pommier, J.C., Poustis, J., Fourcade, E., et al., Int. Pap. Phys. Conf., Proc., TAPPI Press, Atlanta, GA, USA, 1991, p. 437.