Use of trace metals to identify Illinois crude oils /

Bibliographic Details
Main Author:	Witherspoon, Paul Adams, 1919-
Other Authors:	Nagashima, Kozo
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1957.
Series:	Circular (Illinois State Geological Survey) ; 239.
Subjects:	Trace elements. Petroleum > Illinois.

Description
Physical Description:	16 pages : illustrations, maps.
Bibliography:	Bibliography: page 16.