TY  - GEN
AU  - Johnson, Wesley M
AU  - Maxwell, John A
TI  - Rock and mineral analysis
T2  - Chemical Analysis, v.27
SN  - 047102743X
U1  - 552.06 
PY  - 1981///
CY  - New York
PB  - John Wiley
KW  - EARTH SCIENCE
ER  -