TY  - BOOK
AU  - Zubovic,Peter
AU  - Stadnichenko,Taisia Maximovna
AU  - Sheffey,Nola B.
ED  - United States
TI  - Distribution of minor elements in coal beds of the eastern interior region
U1  - 551 
PY  - 1964///.
CY  - Washington: 
PB  - United States Government Printing Office, 
KW  - Mines and mineral resources
KW  - United States
KW  - Geological survey
N1  - Conduct diagr.: vertical distribution of 15 minor elements in selected coal beds of the eastern interior coal region; Includes bibliographical references (p. B40-B41)
N2  - A study of 15 minor elements in coal beds of Illinois, Indiana, and western Kentucky
ER  -