TY - JOUR T1 - An Apparent Periodicity in the Yield of Wheat for Eastern England, 1885 to 1905 JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 78 IS - 521 SP - 69 EP - 76 PY - 1906/07/21/ UR - http://dx.doi.org/10.1098/rspa.1906.0059 M3 - doi:10.1098/rspa.1906.0059 AU - Shaw, W. ER -