See "The Directions of Activity and Communication in a Departmental Group: A Quantitative Study in A British Engineering Factory with a Self-Recording Technique" by Tom Burns, published in Human Relations Vol VII, No. 1, 1954. This paper reports on the pilot study.

See "Management In Action" by Tom Burns, published in 1957

"How a Manager Spends His Time", a note by R G Stansfield of the Department of Management and Social Sciences, Northampton College, London which discusses Tom Burns' study.