@misc{1334141, author = {Yaw Obeng and Kathleen Richardson}, title = {The Case for Innovations in Photovoltaics: the Nonmaterial Edge}, year = {2011}, month = {2011-01-26 00:01:00}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=907680}, language = {en}, }