TY - Acta Entomologica Sinica A1 - KUAN CHIH-HU, LI WEN-TSAO T1 - A STUDY ON FORECASTING THE FLIGHT-DISPERSION OF APHIDS ON CRUCIFEROUS CROPS Y1 - 1974-01-15 JF - Acta Entomologica Sinica JO - Acta Entomologica Sinica SP - 11 EP - 15 VL - 17 IS - 1 UR - http://www.insect.org.cn N1 - ER -