TY  - BOOK
AU  - Douglass, Raymond D.
AU  - Adams, Douglas P.
TI  - Elements of nomography
U1  - 511.5 21st ed
PY  - 1947///
CY  - New York
PB  - McGraw-Hill
KW  - Nomography (Mathematics)
N1  - Index: pp 205-09
ER  -