1. Influence of retinal shielding pigments on light sensitivity in the crayfish;Aréchiga;Acta physiol. latinoam.,1974
2. Exogenous and endogenous components in cireadian rhythms Cold Spring Harb;Aschoff,1960
3. The phase-angle difference in circadian periodicity;Aschoff,1965
4. Circadian rhythms of brain temperature in the chicken, measured at different levels of constant illumination;Aschoff;Jap. J. Physiol.,1973
5. The effects of cerebroid ganglion lesions on ERG cireadian rhythm in the crayfish;Barrera-Mera;Physiol. Behav.,1976