%0 Journal Article %T A multi-level model of emerging technology: An empirical study of the evolution of biotechnology from 1976 to 2003 %A Ad van den Oord %A Arjen van Witteloostuijn %J Archive of "PLoS ONE". %D 2018 %R 10.1371/journal.pone.0197024 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5967744/