Comparisons of quality metrics. - Paul A. Scheffer (ACM SIGSOFT Softw. Eng. Notes, 1981)

A Large System Evaluation of SREM. - Paul A. Scheffer; Albert H. Stone III; William E. Rzepka (ICSE, 1984)

A Case Study of SREM. - Paul A. Scheffer; Albert H. Stone III; William E. Rzepka (Computer, 1985)