TY - GEN AU - A D Franklin AU - K F Young C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1973-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.73-404 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1973 TI - Mass transport and physical properties of large crystals of calcium apatites ::studies of Ca(OH)â‚‚ crystals for use in electrolytic conversion of calcium fluorapatite crystals to calcium hydroxyapatite ER -