RU
Predvaritel'noe obsledovanie soderzhanija usvojaemyh marganca, bora, medi, molibdena i cinka v pahotnom sloe mineral'nyh pochv Ol'shtinskogo voevodstva
EN
Initial determination of manganese, boron, copper, molybdenum and available zinc content in arable layer of mineral soils in the Olsztyn voivodship