Person · 1975 CEPiotr BalcerzakAlso known asБальцежак, ПётрПётр Бальцежакپيوتر بالسيرزاكピョトル・バルツェジャクarchival plate · Piotr Balcerzak · placeholderThis entry is a stub. The Library is awakening — a longer account is being written.Connected to5 links to entries not yet ingested in the Library.