[1996] Microstates in language-related brain potential maps show noun-verb differences. Brain and Language, 53, 1996, pp. 169-182 (Koenig, T. / Lehmann, D.)
[1975] Interlocking directorates in top US corporations; a graph theory approach. Insurgent Sociologist. 5. 1975. Spring. pp. 196- 229 (Sonquist, J. / Koenig, T.)