LCCN 66-64031: His The role of molybdenum in plants and soils, 1962? (hdg.: Borys, Michal W.; usage: Michal W. Borys)

La bondad hortícola del género Echeveria DC., diciembre 2016: t.p. (Michal W. Borys; in memoriam, to our greatly esteemed Dr. Michal W. Borys, who during his life was an example ...)