Numerical and graphical description of all axis crossing regions for the moduli 4 and 8 which occur before 10 12 . Bays, Carter; Hudson, Richard H. — 1979 International Journal of Mathematics and Mathematical Sciences
The mean behavior of primes in arithmetic progressions. Richard H., Bays, Carter Hudson — 1977 Journal für die reine und angewandte Mathematik
The appearence of tens of billion of integers x with ... 24, 13 (x) ... 24, 1 (x) in the vicinity of 10 12. Richard H. Hudson; Carter Bays — 1978 Journal für die reine und angewandte Mathematik
The cyclic behavior of primes in the arithmetic progressions modulo 11. Richard H. Hudson; Carter Bays — 1983 Journal für die reine und angewandte Mathematik