Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
L. Fernández-Jambrina and Ruth Lazkoz,Classification of cosmological milestones,Physical Review D,1550-7998,American Physical Society (APS),2006-09-28,74,6,064030,https://cir.nii.ac.jp/crid/1363107369367077120,https://doi.org/10.1103/physrevd.74.064030