TY  - BOOK
AU  - Wevers, B. M. H.R.
TI  - Study of spiral galaxies :using HI synthesis observations & photographic surface photometry
U1  - 520/525(043.2) WEV 
PY  - 1984///
PB  - Drukkerij Van Denderen B. V.
KW  - Photographic
KW  - Photometry
ER  -