@article{136926,
author = {Brian Zimmerman and Coll{eacute} r},
title = {Standardization of 63Ni by 4πβ Liquid Scintillation Spectrometry with 3H-Standard Efficiency Tracing},
year = {1997},
number = {102},
month = {1997-01-01},
publisher = {Journal of Research of the National Institute of Standards and Technology},
language = {en},
}