Practical charting techniques /
Spear, Mary Eleanor.
Practical charting techniques / Mary E. Spear. - New York : McGraw-Hill, 1969 - xxii, 394 p. : illus. ; 23 cm.
Bibliography: p. 369-371.
Open access.
Statistics--Graphic methods.
Practical charting techniques / Mary E. Spear. - New York : McGraw-Hill, 1969 - xxii, 394 p. : illus. ; 23 cm.
Bibliography: p. 369-371.
Open access.
Statistics--Graphic methods.