 
Płaza A. , Makarewicz A. , G±siorowska B. , Cybulska A. , Górski R. , Rz±żewska E.  2017. MACROELEMENT CONTENT IN POTATO TUBERS AS AFFECTED BY MANURING WITH UNDERSOWN CATCH CROP, AND PRODUCTION SYSTEM
DOI:10.30825/5.ejpau.43.2017.20.4, EJPAU 20(4), #16.