TY  - BOOK
AU  - Jeffery P G
AU  -  Hutchison D
TI  - Chemical methods of rock analysis
T2  - Pergamon series in analytical chemistry; 4
U1  - H2:f, M1-;1 
PY  - 1981///
CY  - Oxford
PB  - Pergamon press        
KW  -  Experimental petrology
KW  - Geology
ER  -