\bib{1977/bays} \yr 1977 \mr 56:5405 \by Carter Bays \by Richard H. Hudson \paper The segmented sieve of Eratosthenes and primes in arithmetic progressions to $10^{12}$ \jour BIT \issn 0006--3835 \vol 17 \pages 121--127 \url http://cr.yp.to/\allowbreak bib/\allowbreak entries.html#\allowbreak 1977/\allowbreak bays \endref