TY  - BOOK
AU  - Walterbos, Reinirus Antonius M.
TI  - Stars, gas & dust in the Andromeda galaxy:thesis
U1  - 520/525(043.2) WAL 
PY  - 1986///
PB  - Sterrwacht Leiden
KW  - Thesis
KW  - Galaxy
ER  -