On the Mechanism of 'Hypersonic Effect'. - Tsutomu Oohashi; Emi Nishina; Yoshitaka Fuwamoto; Norie Kawai (ICMC, 1993)

Requirements for Immortal ALife to Exterminate Mortal ALife in One Finite, Heterogeneous Ecosystem. - Tsutomu Oohashi; Tadao Maekawa; Osamu Ueno; Emi Nishina; Norie Kawai (ECAL, 1999)

Sumiwake Structure In A Finite And Heterogeneous Ecosystem. - Tsutomu Oohashi; Tadao Maekawa; Osamu Ueno; Emi Nishina; Norie Kawai (ICME, 2001)

Artificial life based on the programmed self-decomposition model, SIVA. - Tsutomu Oohashi; Tadao Maekawa; Osamu Ueno; Norie Kawai; Emi Nishina; Katsunori Shimohara (Artif. Life Robotics, 2001)

An Effective Hierarchical Model for the Biomolecular Covalent Bond: An Approach Integrating Artificial Chemistry and an Actual Terrestrial Life System. - Tsutomu Oohashi; Osamu Ueno; Tadao Maekawa; Norie Kawai; Emi Nishina; Manabu Honda (Artif. Life, 2009)

Evolutionary acquisition of genetic program for death. - Tadao Maekawa; Osamu Ueno; Norie Kawai; Emi Nishina; Manabu Honda; Tsutomu Oohashi (ECAL, 2011)

Heterogeneity and complexity of a simulated terrestrial environment account for the superiority of the atruistic gene. - Tadao Maekawa; Manabu Honda; Norie Kawai; Emi Nishina; Osamu Ueno; Tsutomu Oohashi (ECAL, 2013)

Evolutionary Acquisition of a Mortal Genetic Program: The Origin of an Altruistic Gene. - Tsutomu Oohashi; Tadao Maekawa; Osamu Ueno; Norie Kawai; Emi Nishina; Manabu Honda (Artif. Life, 2014)

Migration of Clusters from Pre-session to Post-session: An Analysis of Elderly Students' Perceived Digital Literacy. - Makiko Miwa; Emi Nishina; Hideaki Takahashi; Yoshitomo Yaginuma; Yoko Hirose; Toshio Akimitsu (ECIL, 2018)

Prediction of Retained ICT Skills After Face-to-Face ICT Training Course. - Yoshitomo Yaginuma; Hideaki Takahashi; Toshio Akimitsu; Emi Nishina; Makiko Miwa (IIAI-AAI, 2020)