TY  - BOOK
AU  - A.S Levens
TI  - Nomography
U1  - 511.5 
PY  - 1948///
CY  - New York
PB  - John Wiley and Sons Inc
N1  - A.S Levens: Nomography.  New York.  John Wiley and Sons Inc, 1948.--(511.5LEV)
ER  -