APA
Usowicz B., Usowicz J. B., . (2004). Spatial and temporal variation of selected physical and chemical properties of soil. Lublin: Institute of Agrophysics PAS.
Chicago
Usowicz Boguslaw, Usowicz Jerzy Bogdan, . 2004. Spatial and temporal variation of selected physical and chemical properties of soil. Lublin: Institute of Agrophysics PAS.
Harvard
Usowicz B., Usowicz J. B., . (2004). Spatial and temporal variation of selected physical and chemical properties of soil. Lublin: Institute of Agrophysics PAS.
MLA
Usowicz Boguslaw, Usowicz Jerzy Bogdan, . Spatial and temporal variation of selected physical and chemical properties of soil. Lublin: Institute of Agrophysics PAS. 2004.