TY - JOUR T1 - Observations on Reflex Responses to Rhythmical Stimulation in the Frog JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 92 IS - 648 SP - 328 EP - 341 PY - 1921/12/01/ UR - http://dx.doi.org/10.1098/rspb.1921.0029 M3 - doi:10.1098/rspb.1921.0029 AU - Sassa, K. ER -