TY  - RPRT
TI  - Analytical standards for trace elements in petroleum products 
AU  - Isbell, H S
AU  - Tipson, R Stuart
AU  - Hague, J L
AU  - Scribner, B F
AU  - Smith, W Harold
AU  - Wade, Clarence W R
AU  - Cohen, Alex
PY  - 1962
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS MONO 54
DO  - 10.6028/NBS.MONO.54
ER  -