TY  - BOOK
AU  - Hellwege, K. H., ed.
AU  - Hellwege, A. M., ed.
TI  - Landolt - Bornstein: Numerical data and functional relationship in science and technology; GR.3; V.8
SN  - 3540057323
U1  - 530.0212 
PY  - 1972///
CY  - Berlin
PB  - Springer-Verlag
ER  -