TY - RPRT TI - Roadmap for Developing Measurement Science for Predicting the Service Life of Polymers Used in Photovoltaic (PV) Systems AU - Gu, Xiaohong AU - Chin, Joannie W. PY - 2014 PB - National Institute of Standards and Technology SN - NIST IR 7971 DO - 10.6028/NIST.IR.7971 ER -