ACKNOWLEGEMENT, OFFER, DEDICATION

I thank Rubens Nunes Tavares, my husband and friend, for the incentive and help offered during the process of bringing out this book.

I offer this book to my sons, Sergio Nunes Tavares and Mauro Nunes Tavares as well as to my daughter-in-law, Giana Casarotto Tavares.

Dedicated to the memory of Ernesto Tessuto, my father and to the presence of my mother, Rosa Incao Tessuto.