TY  - BOOK
AU  - Hellwege
TI  - Landolt-Bornstein: Numerical data and functional relationships in Science and Technology, v 12
SN  - 3-540-08223-9
PY  - 1978///
CY  - Springer-Verlag
PB  - Berlin
UR  - http://14.139.222.13:80/cgi-bin/koha/opac-detail.pl?biblionumber=7364
ER  -