TY  - DATA
AU  - Niven, Ivan Morton
TI  - Numbers: rational and irrational
T2  - Anneli Lax New Mathematical Library, 
SN  - 9780883859193 (online)
PY  - 1961///]
CY  - [New York]
PB  - Random House
KW  - Numbers, Real
UR  - https://www.ams.org/nml/001
ER  -