TY - BOOK T1 - Before the beginning : cosmology explained T2 - Briefings A1 - Ellis, George F. R. LA - English PP - London etc. PB - Boyars : Bowerdean YR - 1994 ED - Reprinted UL - https://colectivo.uloyola.es/Record/T111688 OP - 152 CN - 113.2 SN - 0-7145-2970-2 KW - CosmologĂ­a : -Estudios ER -