TY - RPRT TI - A spherical electron-channelling pattern map for use in quartz petrofabric analysis AU - G.E. Lloyd AU - C.C. Ferguson PY - 1986 DO - 10.1016/0191-8141(86)90002-7 UR - https://pubs.usgs.gov/publication/70014546 ID - 70014546 ER -