There has been data ("Alfons Kunen. Pozycja konkretna . rezezby i malarstwa / Konkrete Position. Skulpturen und Bilder / Concrete Position. Sculptures and Pictures") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Fri Apr 19 03:59:18 2019, so the data displayed here has been removed .