“…This book is an adaptation of a research carried out at the National University of the Altiplano, whose objective was to determine the physicochemical, bacteriological quality, content of heavy metals and to propose alternative solutions for water in the city of Ilave (Puno, Peru). …”

“…Some articles were published shortly after in national music journals such as the "Niederrheinische Musik-Zeitung" or the Berlin music journal "Echo". …”