(P19)	(Q270656) (P143)
(P21)	(Q6581097) (P887)
(P27)	(Q36)
(P31)	(Q5)
(P39)	(Q212071) (P2389) (P813) Monday, September 19, 2022 (P854) https://radon.nauka.gov.pl/dane/profil/7fe045d3-8e37-4760-b8db-075f13a6dce9 (P407)
(P69)	(Q1416331) (P143) (P4656) https://pl.wikipedia.org/w/index.php?title=Ryszard_Czekalski&oldid=60013396
(P106)	(Q250867)
(P108)	(Q1416331) (P143) (P4656) https://pl.wikipedia.org/w/index.php?title=Ryszard_Czekalski&oldid=60013396
(P140)	(Q9592) (P143)
(P512)	(Q55695329) (P585) Thursday, August 14, 2014 (P101) (P813) Saturday, December 10, 2022 (P248) (P3124) 88631 (Q308678) (P585) Monday, June 26, 2006 (P1027) (P813) Monday, December 19, 2022 (P248) (P3124) 88631 (Q849697) (P585) Monday, April 29, 1996 (P1027) (P813) Monday, December 19, 2022 (P248) (P3124) 88631
(P569)	Monday, February 26, 1962
(P734)	(Q27889294) (P887)
(P735)	(Q15720963) (P887)
(P1412)	(Q809)
(P1559)	"Ryszard Czekalski" (language: pl)
(P2650)	(Q1735721) (P143) (P4656) https://pl.wikipedia.org/w/index.php?title=Ryszard_Czekalski&oldid=65332253

External Links

(P213)	0000000061517370
(P214)	25841440
(P227)	1247048071
(P244)	n00099393
(P1017)	ADV11772756
(P1207)	n97090357
(P1695)	a0000002813427
(P2671)	/g/121640_7
(P3124)	88631
(P7293)	9810703059305606
(P7699)	LNB:hNg;=Bt
(P8034)	495/291053
(P10832)	E39PBJqbrGyhD4dQd6XQTg3CwC
(P12458)	498690
(P12541)	pN9pu2PatmX