TY - RPRT TI - The effects of noise due to random undetected tilts and paleosecular variation on regional paleomagnetic directions AU - G.J. Calderone AU - R.F. Butler PY - 2012 DO - 10.1029/90jb02457 UR - https://pubs.usgs.gov/publication/70016637 ID - 70016637 ER -