TY - BOOK ID - 140151643 TI - Studies of the neutral hydrogen content of the galaxies M 31 and M 33-I AU - Gottesman, S.T. AU - Jager, G. de PY - 1970 PB - Oxfordm Edinburg Royal Astronomical Society DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:140151643 AB - ER -