1. Defant, F. and H. Taba, (1958a) : The strong index change period from January 1 to January 7. 1956. Tellus, 10, 225-242.
2. Defant, F. and H. Taba, (1958 b): The breakdown of zonal circulationduring the period January 8 to 13, 1956, the characteristics of temperature field and tropopause and its relation to the atmospheric field of motion. Tellus, 10, 430-450.
3. Fujii, M., 1967: Analysis on the large-scale displace-ment of subtropical jet stream (1). (in Japanese),TENKI, 14, 22-30.
4. Fujii, M., 1969: Analysis on the large-scale displace-ment of subtropical jet stream (2). (in Japanese)TENKI, 16, 306-312.
5. Krishnamurti, T.N., 1959: The subtropical jet streamof winter. Dept. of Meteor. Univ. of Chicago.Multigraphed.