........................................................................................................................... iii Executive summary ........................................................................................................... iv Definitions, acronyms, and variables................................................................................. ix

i LIST OF ACRONYMS iii LIST OF FIGURES v LIST OF TABLES vi

..................................................................................................................................... vii Resumo ....................................................................................................................................... ix Index ..............................................................................................................

............................................................................................................................. iii Acknowledgments.............................................................................................................. iv List of Figures ................................................................................................................... vii Li...

.........................................................................................4 LIST OF FIGURES................................................................................12 LIST OF TABLES.................................................................................15 LIST OF ACRONYMS...........................................................................17

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi List of Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii Commonly used Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix Commonly used Acronyms . . . . . . . . . ....

..................................................................................................................... I List of tables and figures ........................................................................................ III Abbreviations and Acronyms ................................................................................. IV

............................................................................i Acknowledgements..............................................................ii List of Figures.....................................................................v List of Tables...................................................................viii List of Acronyms.....................................................

OF MASTER'S THESIS ............................................................................ II DIPLOMITYÖN TIIVISTELMÄ...................................................................................III FOREWORD.................................................................................................................. IV CONTENTS ........................................................

....................................................................................... Dedication ..................................................................................... Acknowledgments ............................................................................ Vita ............................................................................................. List of Tables ........