@misc{833051, author = {R Coll{eacute} and Z Lin and Francis Schima and P Hodge and J Thomas and J Hutchinson and Bert Coursey}, title = {Preparation and Calibration of Carrier-Free 209Po Solution Standards}, year = {1995}, number = {100}, month = {1995-01-01 00:01:00}, publisher = {Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD}, language = {en}, }