@book{1569,
	author = {PET-MAT and České vysoké učení technické v Praze. Fakulta architektury},
	title = {PETree: a Conscious Christmas Tree Made by the People},
	publisher = {urbanNext,},
	year = {December 22, 2017.},
	note = {Designing Matter, Energy and sustainability, expanding design practices, No Density, PET-MAT, Project, Technology and fabrication},
	url = {https://urbannext.net/petmat-petree/}
}