TY - THES ID - 135781760 TI - High precision radial velocity determination from CCD Echelle spectra of early type stars in the young cluster NGC 2244 AU - Verschueren, Werner AU - VUB. Faculteit Wetenschappen. PY - 1991 DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:135781760 AB - ER -