There has been data ("Zima Wasza - Wiosna Nasza: Opor Spoeczny Na Mazowszu, 13 Grudnia 1981 - 4 Czerwca 1989") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Mon Jan 13 16:04:59 2020, so the data displayed here has been removed .