Yurii Leiderman Geyser on Fufliak, Heizer on Geyser 1983 Other works by the author Yurii Leiderman Ulrich 1986 Yurii Leiderman Cactus on Heizer and Fluxsus on Cactus 1983 Yurii Leiderman Hens 1980 Yurii Leiderman Untitled Yurii Leiderman Cactus on Heizer, Fluxus on Cactus 1983 Yurii Leiderman NWP — Nature, Writer, Psycho Show all
