The 5 references without contexts in paper Catherine Roux, Thomas von Ungern-Sternberg (2007) “Leniency Programs in a Multimarket Setting: Amnesty Plus and Penalty Plus” / RePEc:ces:ceswps:_1995

6
EC:Press Releases. Available at: http:// europa.eu.int/rapid/
(check this in PDF content)
7
EC (19 February 2002):Commission notice on immunity from fines and reduction of fines in cartel cases, 2002/C 45/03. Available at: http:// europa.eu.int/comm/competition/antitrust/leniency/
(check this in PDF content)
16
Jarrett Arp D. and Spratling G. R. (2003).A new paradigm for counsel responding to international cartel investigation, Global Competition Review, No.6, pp.28-33.
(check this in PDF content)
19
Motchenkova E. and van der Laan R. (2005):Strictness of Leniency Programs and Cartels of Asymmetric Firms, Discussion Paper, Tilburg University, CentER, No.74.
(check this in PDF content)
25
US DoJ (10 August 1993):Corporate leniency policy. Available at: http://www.usdoj.gov/atr/public/guidelines/0091.htm 21 A Appendix: EC Leniency Program without Amnesty Plus A.1
(check this in PDF content)