TY - RPRT TI - The new IASPEI standards for determining magnitudes from digital data and their relation to classical magnitudes AU - Peter Bormann AU - James W. Dewey PY - 2012 DO - 10.2312/gfz.nmsop-2_is_3.3 UR - https://pubs.usgs.gov/publication/70038476 ID - 70038476 ER -