@article{compref168,
   author = {Hops,JM and Sherif,JS},
   year = {1995},
   title = {Development and application of composite complexity models and a relative complexity metric in a software maintenance environment},
   journal = {Journal of Systems and Software},
   volume = {31},
   pages = {157-169}
}

@article{compref231,
   author = {Mata-Toledo,RA and Gustafson,DA},
   year = {1992},
   title = {A Factor Analysis of Software Complexity Measures},
   journal = {Journal of Systems and Software},
   volume = {17},
   pages = {267-273}
}

@article{compref170,
   author = {Howatt,JW and Baker,AL},
   year = {1989},
   title = {Rigorous Definition and Analysis of Program Complexity Meaures - An example using nesting},
   journal = {Journal of Systems and Software},
   volume = {10},
   pages = {139-150}
}


