TY - RPRT TI - Determination of 30 elements in coal and fly ash by thermal and epithermal neutron-activation analysis AU - J.J. Rowe AU - E. Steinnes PY - 1977 DO - 10.1016/0039-9140(77)80125-2 UR - https://pubs.usgs.gov/publication/70009782 ID - 70009782 ER -