P.Duinker

1. First Results from the Mark-J Detector at PETRA;
   DESY, Hamburg (F.R.G.), January 26, 1979.
2. First Results from the Mark-J Detector at PETRA;
   APS Winter Meeting, New York (U.S.A.), January 30, 1979.
3. Physics Results from PETRA;
   ECFA Meeting, DESY, Hamburg (F.R.G), May 11, 1979.
4. The First Year of the Mark-J Detector at PETRA;
   Gordon Conference, New London (NH, U.S.A.), August 22, 1979.
5. The First Year of the Mark-J Detector at PETRA;
   Brookhaven National Laboratory, Long Island (NY, U.S.A.), August 29, 1979.
6. The First Year of the Mark-J Detector at PETRA;
   University of Stockholm (Sweden), September 12, 1979.
7. The First Year of the Mark-J Detector at PETRA;
   University of Lund (Sweden), September 13, 1979.
8. The First Year of the Mark-J Detector at PETRA;
   Niels Bohr Institute, Kopenhagen (Denmark), September 14, 1979.
9. The First Year of the Mark-J Detector at PETRA;
   University of Gothenburg (Sweden), September 18, 1979.
10. The First Year of the Mark-J Detector at PETRA;
    University of Bergen (Norway), September 19, 1979.
11. e⁺e^- Physics;
    Landelijk Seminarium, Amsterdam (The Netherlands), September 21, 1979.
12. The First Year of the Mark-J Detector at PETRA;
    Katholieke Universiteit Leuven (Belgium), September 25, 1979.
13. The First Year of the Mark-J Detector at PETRA;
    University of Helsinki (Finland), September 27, 1979.
14. e⁺e^- Physics;
    University of Helsinki (Finland), September 27, 1979.
15. Results from the Fermilab Conference;
    University of Helsinki (Finland), September 28, 1979.
16. The First Year of the Mark-J Detector at PETRA;
    Madison (WI, U.S.A.), October 23, 1979.
17. Recent Results from Mark-J;
    Irvine Conference, Santa Anna (CA, U.S.A.), December 1, 1979.
18. Recent Results from Mark-J;
    Katholieke Universiteit Nijmegen, (The Netherlands), January 1980.
19. e⁺e^- Physics at PETRA;
    Review Lecture at the International School of Subnuclear Physics, 18^th Course: The High Energy Limit, Erice-Trapani-Sicily (Italy), July 31 - August 11, 1980.
20. Searches for New Particles and Electro-weak Interference Effect in e⁺e^- Interactions;
    Landelijk Seminarium, Amsterdam (The Netherlands), September 25, 1980.
21. Review of e⁺e^- Physics at PETRA;
    High Energy Physics Seminar, University of Bielefeld (F.R.G.), January 15, 1981.
22. e⁺e^- Physics at PETRA;
    Instrumentation Meeting on LEP, ETH-Zürich (Switzerland), May 1981.
23. Jet Formation in e⁺e^- Interactions;
    International Conference on Physics in Collision: High Energy ee/ep/pp Interactions, Blacksburg (VA, U.S.A.), May 28-31, 1981.
24. Search for New Particles and Electroweak Interference Effects in e⁺e^- Interactions;
    Rehearsal Talk DESY, Hamburg (F.R.G.), July 7, 1981.
25. Search for New Particles and Electroweak Interference Effects in e⁺e^- Interactions;
    International Conference on High Energy Physics, invited talk, Lisbon July 19,1981.
26. Search for New Particles and Electroweak Interference Effects in e⁺e^- Interactions;
    The ISABELLE 1981 Summer Workshop, Brookhaven National Laboratory, Upton Long Island,(NY, U.S.A.), Invited talk, July 22, 1981.
27. Search for New Particles and Electroweak Interference Effects in e⁺e^- Interactions;
    Review lecture at the International School of Subnuclear Physics, 19^thCourse: The Unity of the Fundamental Interactions, Erice-Trapani-Sicily (Italy),July 31 - August 11, 1981.