Arthur, W., Jonhstone, J., Keetle, C. (2002): Ecological and behavioural characteristic of Geophilus easoni Arthrur et al. and Geophilus caprophagus Leach. Bulletin of the British Myriapod & Isopod Group, 18: 26-32.
Arthur, W., Jowett, T., Panchen, A. (1999): Segments, limbs, homology, and co-option. Evolution & Development, 1: 74-76.
Arthur, W., Kettle, Ch. (2001): Geographic patterning of variation in segment number in geophilomorph centipedes: clines and speciation. Evolution and Development, 3: 34-40.
Aschoff, J. (1966): Circadian activity pattern with two peaks. Ecology, 47: 657-662.
Aschoff, J., Hoffmann, K., Pohl, H., Wever, R. (1975): Re-entrainment of circadian rhythms after phase-shifts of the Zeitgeber. Chronobiologia, 2: 23-78.
Ashford, O.S., Foster, W.A., Turner, B.L., Sayer, E.J., Sutcliffe, L., Tanner, E.V.J. (2013): Litter manipulation and the soil arthropod community in a lowland tropical rainforest. Soil Biology & Biochemistry, 62: 5-12.