TY - GEN AU - Fitzgerald,R AU - Collé,R AU - Laureano-Pérez,L AU - Pibida,L AU - Hammond,M M AU - Nour,S AU - Zimmerman,B E TI - A new primary standardization of 229Th SN - 1872-9800 PY - 2010///0825 KW - Environmental Monitoring KW - standards KW - Gamma Rays KW - Reference Standards KW - Thorium KW - analysis N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/j.apradiso.2010.01.007 ER -