Murray S. Klamkin
Mathematical modelling
International Mathematical Olympiads 19781985 And Forty Supplementary Problems
Mathematical Modelling
Problems from Murray Klamkin
Problems in Applied Mathematics
Problems in applied mathematics
U.S.A. mathematical olympiads, 1972-1986
International Mathematical Olympiads and Forty Supplementary Problems, 1978-1985
International mathematical olympiads, 1978-1985, and forty supplementary problems