TY  - BOOK
AU  - Levens,A.S.
TI  - Nomography
U1  - 511.5 
PY  - 1948///]
CY  - New York
PB  - J. Wiley
KW  - MCE
KW  - Nomography (Mathematics)
N1  - "Copyright, 1937 ... under the title: Alignment charts."; 0; 0; 0; 511_500000000000000_LEV; 0; 0; 0; 511_500000000000000_LEV; 0; 0; 0; 511_500000000000000_LEV
ER  -