@Article{BaBoBoPl97,
  author = 	 {D. H. Bailey and J. M. Borwein and P. B. Borwein and S. Plouffe},
  title = 	 {The quest for {P}i},
  journal = 	 {The Mathematical Intelligencer},
  year = 	 1997,
  volume =	 19,
  number =	 1,
  pages =	 {50--57}
}