TY  - BOOK
AU  - Hellwege, K. H., ed.
AU  - hellwege, A. M., ed.
TI  - Landolt - Bornstein: Numerical data and functional relationships in science and technology; Gr.2; V.8
SN  - 3540074414
U1  - 530.0212 
PY  - 1976///
CY  - Berlin
PB  - Springer-Verlag
ER  -