Last update: Wed Feb  5 04:57:35 MST 2014
              
@Article{Derrick:1997:WRZ,
  author =       "J. Derrick and E. Boiten and H. Bowman and M. Steen",
  title =        "Weak Refinement in {Z}",
  journal =      j-LECT-NOTES-COMP-SCI,
  volume =       "1212",
  pages =        "369--??",
  year =         "1997",
  CODEN =        "LNCSD9",
  ISSN =         "0302-9743 (print), 1611-3349 (electronic)",
  ISSN-L =       "0302-9743",
  bibdate =      "Fri Aug 22 11:59:49 MDT 1997",
  bibsource =    "http://www.math.utah.edu/pub/tex/bib/lncs1997a.bib",
  acknowledgement = ack-nhfb,
}