Normal view
MARC view
Urea as fertilizer Patents (Topical Term)
Machine generated authority record.
Work cat.: (OSt)19933: Fowler, Clifford W. 12449, Urea and urea phosphate fertilizers/, 1976
Machine generated authority record.
Work cat.: (OSt)19933: Fowler, Clifford W. 12449, Urea and urea phosphate fertilizers/, 1976