@misc{miscddbcc9b5,
title   = {It is widely known... [Preface]},
author = {Leal Filho, Walter and Frankenberger, Fernanda and Lemos, Patrícia Faga Iglecias and Mülfarth, Roberta Consentino Kronka},
year = {2018},
publisher = {Springer},
journal   = {Towards Green Campus Operations: energy, climate and sustainable development initiatives at universities}
}