1

BAYER, R., <u>A Theoretical Study of Halstead's Software Phenomenon</u>, CSD TR 69, Purdue University Dept. of Computer Science, May 1972.

2

Necdet Bulut, Invariant properties of algorithms., 1973

3

HALSTEAD, M. H., <u>A Thermodynamics of Algorithms?</u> CSD TR 66, Purdue University, Dept. of Computer Science, February 1972.

4

M. H. Halstead, Natural laws controlling algorithm structure?, ACM SIGPLAN Notices, v.7 n.2, p.19-26, February 1972  [doi>10.1145/953363.953366]

5

HALSTEAD, M. H., <u>A Theoretical Relationship between Mental Work and Machine Language Programming</u>, CSD TR 67, Purdue University, Dept. of Computer Science, February 1972.

6

M. H. Halstead, An experimental determination of the "purity" of a trivial algorithm, ACM SIGMETRICS Performance Evaluation Review, v.2 n.1, p.10-15, March 1973  [doi>10.1145/1041606.1041608]

7

M. H. Halstead, Language level, a missing concept in information theory, ACM SIGMETRICS Performance Evaluation Review, v.2 n.1, p.7-9, March 1973  [doi>10.1145/1041606.1041607]

8

Maurice Halstead , Rudolf Bayer, Algorithm dynamics, Proceedings of the annual conference, p.126-135, August 27-29, 1973, Atlanta, Georgia, United States  [doi>10.1145/800192.805693]

9

HALSTEAD, M. H. and ZISLIS, P. M. <u>Experimental Verification of Two Theorems of Software Physics</u>, CSD TR 97, Purdue University, Dept. of Computer Science, June 1973.

10

ZISLTS, P. H., <u>An Experiment in Algorithm Implementation</u>, CSD TR 96, Purdue University, Dept. of Computer Science, June 1973.

11

ZWEBEN, S. H., <u>Software Physics: Resolution of an Ambiguity in the Counting Procedure</u>, CSD TR 93, Purdue University, Dept. of Computer Science, April, 1973.

Necdet Bulut , M. H. Halstead , Rudolf Bayer, Experimental validation of a structural property of fortran algorithms, Proceedings of the 1974 annual conference, p.207-211, January 1974

Lawrence Hunter , Jose C. Ingojo, Conservation of software science parameters across modularization, Proceedings of the 1977 annual conference, p.189-194, January 1977

H. L. Berghel , D. L. Sallach, Measurements of program similarity in identical task environments, ACM SIGPLAN Notices, v.19 n.8, August 1984

S. K. Robinson , I. S. Torsun, The automatic measurement of the relative merits of student programs, ACM SIGPLAN Notices, v.12 n.4, p.80-93, April 1977

Ann Fitzsimmons , Tom Love, A Review and Evaluation of Software Science, ACM Computing Surveys (CSUR), v.10 n.1, p.3-18, March 1978

R. D. Gordon , M. H. Halstead, An experiment comparing Fortran programming times with the software physics hypothesis, Proceedings of the June 7-10, 1976, national computer conference and exposition, June 07-10, 1976, New York, New York

Neodet Bulut: colleagues

Maurice H. Halstead: colleagues