共 4 条
[1]
AVERY JOHN LAWRENCE, 1939, TRANS AMER MICROSC SOC, V58, P356, DOI 10.2307/3222886
[2]
Castle W. A., 1938, Science New York, V87, P531, DOI 10.1126/science.87.2267.531
[3]
FERGUSON M. S., 1939, AMER MIDLAND NAT, V22, P466, DOI 10.2307/2420324
[4]
HAY OP, 1889, AM NAT, V23, P91