TY - RPRT TI - A refinement of the crystal structure of Na2CO3.H2O : progress report AU - Dickens, B AU - Mauer, F A AU - Brown, W E PY - 1969 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 10128 DO - 10.6028/NBS.RPT.10128 ER -