Graphic presentation simplified.

Bibliographic Details
Main Author:	Lutz, R. R. (Rufus Rolla), 1873-
Format:	Book
Language:	English
Published:	New York : Funk & Wagnalls in association with Modern Industry Magazine, [1949]
Series:	Modern industry books.
Subjects:	Statistics > Graphic methods.

Description
Physical Description:	xx, 202 pages : illustrations ; 24 cm.