TY  - BOOK
AU  - Hellwege, K H, Ed.
TI  - Landolt-bornstein, Vol.4: Numerical data and functional relationships in science and technology
U1  - R  530.15  HEL-L.4 
PY  - 1970///
CY  - Springer-Verlag, New York
KW  - Mathematical physics
ER  -