DIN 19733-2:1998-07

Отменен

Soil quality - Determination of dehydrogenase acitivity in soils - Part 2: Method using INT — 4 стр.

Заменен на

DIN ISO 23753-2:2006-04

ICS

13.080.30 Biological properties of soils / Биологические свойства грунтов