(P21)	(Q6581097) (P887)
(P31)	(Q5)
(P39)	(Q212071) (P2389) (P813) Monday, September 19, 2022 (P854) https://radon.nauka.gov.pl/dane/profil/bc05e3e9-35c4-47a4-be34-d13dd35fd0bf (P407)
(P69)	(Q5734894) (P143) (P4656) https://pl.wikipedia.org/w/index.php?title=Krzysztof_Kowalczyk_(agronom)&oldid=60332992
(P106)	(Q1781198) (Q7201517)
(P108)	(Q5734894) (P143) (P4656) https://pl.wikipedia.org/w/index.php?title=Krzysztof_Kowalczyk_(agronom)&oldid=60332992
(P166)	(Q21954117) (P143) (P813) Sunday, March 7, 2021
(P512)	(Q55695329) (P585) Thursday, April 23, 2009 (P101) (P813) Saturday, December 10, 2022 (P248) (P3124) 28307 (Q308678) (P585) Wednesday, April 10, 2002 (P1027) (P813) Monday, December 19, 2022 (P248) (P3124) 28307 (Q849697) (P585) Wednesday, May 15, 1996 (P1027) (P813) Monday, December 19, 2022 (P248) (P3124) 28307
(P569)	+1963-00-00T00:00:00Z (P143) (P4656) https://pl.wikipedia.org/w/index.php?title=Krzysztof_Kowalczyk_(agronom)&oldid=60332992
(P734)	(Q21510440) (P887)
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External Links

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