Design of electric filters in MAPLE and through WWW interface. - J. Bicák; Jirí Hospodka; J. Vrbata; Pravoslav Martínek (ICECS, 2001)

Synthesis of the group delay equalizers. - J. Vrbata; Milos Laipert; Miroslav Vlcek (ICECS, 2002)

Method for design of analog group delay equalizers. - P. Ziska; J. Vrbata (ISCAS, 2006)