"Hiromichi Ueno,Tsutomu Watanabe,Hideki Takayasu,Misako Takayasu","Collective purchase behavior toward retail price changes",,"Physica A: Statistical Mechanics and its Applications","ELSEVIER","Volume 390","  3","Page 499-504",2011,Feb.
"Misako Takayasu,Tsutomu Watanabe,Hideki Takayasu","Econophysics Approaches to Large-Scale Bussiness Data and Financial Crisis","Tokyo Tech-Hitotubashi Interdisciplinary Conference+APFA7","Econophysics Approaches to Large-Scale Business Data and Financial Crisis","Springer",,,"  �S315�y�[�W",2010,Sept.