@article{oai:nagoya.repo.nii.ac.jp:00019998, author = {YAMASHITA, Takashi and WATANABE, Takashi}, journal = {Proceedings of the Research Institute of Atmospherics, Nagoya University}, month = {Mar}, pages = {75--77}, title = {OBSERVATION OF RADIO SOURCE W49 AT 9.4 GHz}, volume = {15}, year = {1968} }