Karlheinz Roik

1. Kurrer, Karl-Eugen (2018): The History of the Theory of Structures. Searching for Equilibrium. 2^nd edition, Wilhelm Ernst & Sohn Verlag für technische Wissenschaften, Berlin (Germany), ISBN 978-3-433-03229-9, pp. 1053-1054.

   https://doi.org/10.1002/9783433609163

2. Sedlacek, Gerhard / Albrecht, Gert / Hanswille, Gerhard (2009): Karlheinz Roik verstorben. In: Stahlbau, v. 78, n. 8 (August 2009), pp. 599-600.

   https://doi.org/10.1002/stab.200990111

3. Sedlacek, Gerhard / Albrecht, Gert / Hanswille, Gerhard (2009): Karlheinz Roik †. In: Steel Construction, v. 2, n. 4 (December 2009), pp. 291.

   https://doi.org/10.1002/stco.200990040