Pongpun Punpet และ Chatchai Srinitiwarawong. (2005) Ground state of E[subscript g] electron in the spinless hubbard model. Chulalongkorn University:ม.ป.ท.Pongpun Punpet และ Chatchai Srinitiwarawong. 2005. Ground state of E[subscript g] electron in the spinless hubbard model. ม.ป.ท.:Chulalongkorn University;Pongpun Punpet และ Chatchai Srinitiwarawong. Ground state of E[subscript g] electron in the spinless hubbard model. ม.ป.ท.:Chulalongkorn University, 2005. Print.