Bell, Grdon L.
Graphs for interpretation / Grdon L. Bell - London : Harrap , 1960 - 91p. : ill. ; 22 cm.
Includes bibliographical references.
Mathematics
510 / BEL 3
Graphs for interpretation / Grdon L. Bell - London : Harrap , 1960 - 91p. : ill. ; 22 cm.
Includes bibliographical references.
Mathematics
510 / BEL 3