There has been data ("Zyrafa Przeciw "Panterom": Czwarte Zgrupowanie Obwodu AK "Zywiciel" W Powstaniu Warszawskim 1944") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Sat Mar 16 23:44:28 2019, so the data displayed here has been removed .