AUTHOR=Zhang Jiyong , Zou Qianjin , Guan Huadong TITLE=Fracture characterization of fractured rock bodies based on acoustic and optical characteristics JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1421355 DOI=10.3389/feart.2024.1421355 ISSN=2296-6463