Acknowledgements
We would like to thank Infraestruturas de Portugal, and in particular João Morais
Sarmento, Ana Cristina Martins, Cândida Osório de Castro, Graça Garcia and Luísa
Vales de Almeida without whom this book would not have been possible. We
would also like to thank Sasha Vasconcelos for her willingness to help with our
constant questions about English. Finally, we would like to thank Margaret
Deignan at Springer for her invaluable help in putting this book together.
xiii
We would like to thank Infraestruturas de Portugal, and in particular João Morais
Sarmento, Ana Cristina Martins, Cândida Osório de Castro, Graça Garcia and Luísa
Vales de Almeida without whom this book would not have been possible. We
would also like to thank Sasha Vasconcelos for her willingness to help with our
constant questions about English. Finally, we would like to thank Margaret
Deignan at Springer for her invaluable help in putting this book together.
xiii