@techreport{GuaranteedAccuracy,
  title = "Adaptive Finite Element Simulation of Steady State Currents at Microdisc Electrodes to a Guaranteed Accuracy",
  author = "K. Harriman and D.J. Gavaghan and P. Houston and E. S\"uli",
  year = "1999",
  institution = "Oxford University Computing Laboratory",
  number = "NA99/19",
}