| Appendix |
| Index |
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User
Information
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| The open access RESEARCH NOTES is part of the project ‘National Information System for Research and Technology, Phase III – Open Access Electronic Repositories and Journals’ which is being developed by the National Documentation Centre under the framework ‘Digital Greece’ (www.psifiakiellada.gr) and is 80% co-financed by the European Union - European Regional Development Fund and 20% by the Greek Public Domain (Operational Program for IS - OPIS, 3rd CSF 2000-2006). | 
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