Hatala, Michal Evaluation of strain in cold drawing of tubes with internally shaped surface / aut. Michal Hatala, František Botko, Jozef Peterka, Peter Bella, Pavol Radič. Botko, František. Peterka, Jozef, 1963-. Bella, Peter. Radič, Pavol In: ICCPE 2019. 2019 8th International conference on Chemical and Process Engineering. ICIEM 2019. 2019 3rd International Cenference on Innovative Engineering Materials. -- 1. vyd.. -- 24 s. International conference on Chemical and Process Engineering. -- [CBEES], 2019. -- S. 18.