Operations management ; Decision making in the operations function / Roger G. Schroeder . New York :  McGraw-Hill Publ. Co. , 1989 . 794 s . ISBN 0-07-055618-0 . [1, of that borrowed 0]

Prices of agricultural products and selected inputs in Europe and North America 199091 ; Annual ECE . New York :  United Nations , 1992 . 136 s . [1, of that borrowed 0]

Tajemství barev / Rudolf Steiner ; [z německého originálu přeložil Radomil Hradil] . Lelekovice :  Franesa , 2024 . 224 s . ISBN 978-80-88337-80-5 . [1, of that borrowed 0]