'Run-time profiling of Algol 68-R programs using DIDYMUS and SCAMP'. - David F. Brailsford; Eric Foxley; K. C. Mander; D. J. Morgan (Strathclyde ALGOL 68 Conference, 1977)

Monitoring the Run-time Activity of Algol 68-R Programs. - Eric Foxley; D. J. Morgan (Softw. Pract. Exp., 1978)