TY - JOUR AU - Yang, Jiann AU - Pitts, William AU - Fernandez, Marco AU - Prasad, Kuldeep C2 - International Journal of Hydrogen Energy DA - 2013-07-03 LA - en PB - International Journal of Hydrogen Energy PY - 2013 TI - Measurements of effective diffusion coefficients of helium and hydrogen through gypsum UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=914193 ER -