Marik, I., Hudakova, O., Petrasova, S., Kuszel, L., Czarny-Ratajczak, M., & Kozlowski, K. (2012). A new form or a variant of SMD type A4. Springer-Verlag.

Marik, Ivo, Olga Hudakova, Sarka Petrasova, Lukasz Kuszel, Malwina Czarny-Ratajczak, ja Kazimierz Kozlowski. A New Form or a Variant of SMD Type A4. Springer-Verlag, 2012.

Marik, Ivo, et al. A New Form or a Variant of SMD Type A4. Springer-Verlag, 2012.