Warning - the bibtex entry below may be invalid: 
Missing 'school' field 
@mastersthesis{bvp6cthesis,
  author = "Nicholas Hale",
  institution = "Imperial College London",
  title = "A Sixth-Order Extension to the MATLAB bvp4c Software of J. Kierzenka and L. Shampine.",
  year = "2006",
}