TY - BOOK ID - 126350739 TI - Walter Baade, observational astrophysicist, (1) : The preparation 1893-1931 PY - 1995 SN - 00218286 PB - Cambridge Science History Publications DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:126350739 AB - Bibliothèque Houziaux ER -