A decimal classification for the filing of data pertaining to the petroleum and related industries /
Uren, Lester Charles,1888-
[Cleveland] : National Petroleum Publishing Co.,
c1928.
On cover: Decimal index of petroleum technology.
"Modeled after the same plan as that used by Dewey, except that all knowledge is considered as subordinate to the field of petroleum technology."--p. 2.
With subject index.
Classification, Decimal
Classification
Filing systems Handbooks, manuals, etc.