Spear, Mary Eleanor.
Practical charting techniques. - New York, McGraw-Hill [1969] - xxii, 394 p. illus., maps. 23 cm.
Bibliography: p. 369-371.
69014491
Statistics--Graphic methods.
HA31 / .S67
311.26 / SPP
Practical charting techniques. - New York, McGraw-Hill [1969] - xxii, 394 p. illus., maps. 23 cm.
Bibliography: p. 369-371.
69014491
Statistics--Graphic methods.
HA31 / .S67
311.26 / SPP