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by Hays, Peter; Rozen, Beti; Consuegra, Carlos Manuel Diaz
by Rozen, Beti; Hays, Peter; Franca, Eliardo
by Schrogl, Kai-Uwe; Hays, Peter L.; Robinson, Jana; et al.
by Hays, Peter L.
by Sylvester, Bickford; Grimes, Larry; Hays, Peter L.
by Gries, Peter Hays
by Bunker, Robert J.; Hays, Peter L.
by Deng, Yong; Wang, Fei-Ling; Chu, Yun-han; et al.
by Hays Gries; Peter