Mine plans - Petrography - Part 5: Hard coal mining
Edition 1994-11

Natural stone test methods - Petrographic examination; German version EN 12407:2019
Edition 2019-12

Tests for general properties of aggregates - Part 3: Procedure and terminology for simplified petrographic description; German version EN 932-3:2022
Edition 2022-08

Mine plans - Stratigraphy - Part 2: Regional and local subdivisions - Hard coal
Edition 2008-12

Investigations of the raw material in hard-coal-mining; treatment of exploratory drillings
Edition 1993-11

Investigations of the raw material in hardcoal-mining; macroscopic classification and description of overburden rock
Edition 1993-10

Natural stone - Denomination criteria; German version EN 12440:2017
Edition 2018-01

Investigations of the raw material in hard-coal-mining; macropetrographic classification and topographic survey of hard-coal and host rock
Edition 1994-01

Geotechnical investigation and testing — Identification and classification of soil — Part 1: Identification and description (ISO 14688-1:2017); German version EN ISO 14688-1:2018
Edition 2020-11

Sustainability criteria for bioenergy (ISO 13065:2015)
Edition 2017-06