DIN 18301 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DVGW W 121 | 2003-07 | Design and Construction of Groundwater Monitoring Points More |
| DVGW W 123 | 2001-09 | Construction and design of vertical filter wells More |
| NF P18-579 | 2013-02-09 | Aggregate - Abrasiveness and grindability tests More |
| NF P94-430-1 | 2000-10-01 | Rock - Determination of the rock abrasiveness - Part 1 : scratching-test with a pointed tool. More |
