Morgan, P. Julkaisussa American Swimming ASCA Newsletter (1999)
ZZZ(Große) Julkaisussa American Swimming ASCA Newsletter (1999)
Warner, Ch. Julkaisussa American Swimming ASCA Newsletter (1998)
Stacy, R. Julkaisussa American Swimming ASCA Newsletter (1998)
Davis, D. E. Julkaisussa American Swimming ASCA Newsletter (1998)
Schrader, B., Pursley, D. Julkaisussa American Swimming ASCA Newsletter (1999)
Gould, D., Guinan, D., Greenleaf, Chr., Medbery, R., Strickland, M., Lauer, L., Chung, Y. Julkaisussa American Swimming ASCA Newsletter (1998)
ZZZ(Olympia) Julkaisussa American Swimming ASCA Newsletter (1997)