Grammatikalgebren. - Thomas Kretschmer (1987)

A Closure Property of Regular Languages. - Thomas Kretschmer (Theor. Comput. Sci., 1988)

The Power of the Greibach Normal Form. - Günter Hotz; Thomas Kretschmer (J. Inf. Process. Cybern., 1989)

An Algebraic Characterization of Context-Free Languages. - Thomas Kretschmer (Informatik, 1992)

LLL3D's contribution to teaching and learning with 3-D MUVEs in higher education. - Simon Heid; Thomas Kretschmer (Br. J. Educ. Technol., 2009)