TY - RPRT TI - Mass transport and physical properties of large crystals of calcium apatites : studies of Ca(OH)₂ crystals for use in electrolytic conversion of calcium fluorapatite crystals to calcium hydroxyapatite AU - Franklin, A D AU - Young, K F PY - 1973 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 73-404 DO - 10.6028/NBS.IR.73-404 ER -