Substructures within substructures

          @misc{ scivideos_PIRSA:08060012,
            doi = {10.48660/08060012},
            url = {https://pirsa.org/08060012},
            author = {Pieri, Lidia},
            keywords = {Cosmology},
            language = {en},
            title = {Substructures within substructures},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2008},
            month = {jun},
            note = {PIRSA:08060012 see, \url{https://scivideos.org/pirsa/08060012}}
          }