DIN 18320 [Withdrawn] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| FLL Badeteichanlagen, privat | 2006-11 | Recommendations for the planning, construction, maintenance of private swimming and natural pools More |
| FLL Dachbegrünungen | 2008 | Guidelines for the planning, construction and maintenance of green roofing More |
| FLL Golfplätze ; FLL Golfplatzbaurichtlinie:2008 | 2008 | Guidelines for the Construction of Golf Courses (Golf Course Construction Guidelines) More |
