TY  - RPRT
TI  - Spectrophotometric determination of micro quantities of zinc in rocks
AU  - C. Huffman
AU  - H. H. Lipp
AU  - L. F. Rader
PY  - 1963
DO  - 10.1016/0016-7037(63)90023-1
UR  - https://pubs.usgs.gov/publication/70009999
ID  - 70009999
ER  -