TY - BOOK ID - 133413053 TI - Physical processes in gaseous nebulae AU - Menzel, Donald Howard AU - Harvard College Observatory. PY - 1900 PB - s.l.] : [s.n., DB - UniCat KW - Nebulae KW - Nébuleuses UR - https://www.unicat.be/uniCat?func=search&query=sysid:133413053 AB - ER -