SGEM 2016. 16th International Multidisciplinary Scientific GeoConference. Book 6. Nano, Bio and Green - Technologies for a Sustainable Future : conference proceedings. Volume II : Green buildings technologies and materials. Green design and sustainable architecture. Albena, Bulgaria, 30.6.-6.7.2016. 1. vyd. Sofia : STEF 92 Technology, 2016. 802 s. ISBN 978-619-7105-69-8. ISSN 1314-2704.