1. Exogenous and endogenous components in circadian rhythms;Aschoff, J.;Cold Spr. Harb. Symp. quant. Biol,1960
2. Relationship between circadian rhythm of body temperature and introversion-extraversion;Blake, M.J.F.;Nature,1967
3. Experimental studies of shift-work I: A comparison of 'rotating and 'stabilized' 4-hour shift systems;Colquhoun, W.P.; Blake, M.J.F.; Edwards, R.S.;Ergonomics,1968
4. Experimental studies of shift-work II: Stabilized 8-hour shift systems;Colquhoun, W.P.; Blake, M.J.F.; Edwards, R.S.;Ergonomics,1968
5. Experimental studies of shift-work III: Stabilized 12-hour shift systems;Colquhoun, W.P.; Blake, M.J.F.; Edwards, R.S.;Ergonomics,1969