Reproducing works of Calder. - Dongkyoo Lee; Hee-Jung Bae; Chang Tae Kim; Dong-Chun Lee; Dae-Hyun Jung; Nam-Kyung Lee; Kyoo-Ho Lee; Nakhoon Baek; Jong Won Lee; Kwan Woo Ryu; James K. Hahn (Comput. Animat. Virtual Worlds, 2001)