TY - RPRT TI - Atomic-absorption determination of beryllium in geological materials by use of electrothermal atomization AU - E.Y. Campbell AU - F.O. Simon PY - 1978 DO - 10.1016/0039-9140(78)80050-2 UR - https://pubs.usgs.gov/publication/70012630 ID - 70012630 ER -