ISMA 9 - van Heeringen - Using IFPUG and ISBSG to improve organization success
Using the ISBSG data to improve your organization success - van Heeringen (Metrikon 2013)
The importance of benchmarking software projects - Van Heeringen and Ogilvie
Iwsm2014 importance of benchmarking (john ogilvie & harold van heeringen)