2006 | ||
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2 | EE | Icíar Dominguez Lacasa: Capturing the changes in the knowledge base underlying drug discovery and development in the 20th century and the adjustment of Bayer, Hoechst, Schering AG and E. Merck to the advent of modern biotechnology. Scientometrics 66(2): 345-364 (2006) |
2003 | ||
1 | EE | Icíar Dominguez Lacasa, Hariolf Grupp, Ulrich Schmoch: Tracing technological change over long periods in Germany in chemicals using patent statistics. Scientometrics 57(2): 175-195 (2003) |
1 | Hariolf Grupp | [1] |
2 | Ulrich Schmoch | [1] |