TY - JOUR A1 - Cheng, C. A1 - Hale, S. A1 - Milsch, H. A1 - Blum, P. T1 - Measuring hydraulic fracture apertures: a comparison of methods JO - Solid Earth Discuss. J1 - SED VL - 2020 SP - 1 EP - 20 Y1 - 2020/05/20 PB - Copernicus Publications SN - 1869-9537 UR - https://se.copernicus.org/preprints/se-2020-76/ L1 - https://se.copernicus.org/preprints/se-2020-76/se-2020-76.pdf DO - 10.5194/se-2020-76 ER -