J Axelsson

Effects of alternating 8- and 12-hour shifts on sleep, sleepiness, physical effort and performance.

G Kecklund, G. Kecklund, John Axelsson, 1998, Scandinavian journal of work, environment & health.

The effects of a short daytime nap after restricted night sleep.

G Kecklund, G. Kecklund, John Axelsson, 1996, Sleep.