TY - GEN AU - Kim, Sung AU - Hancock, Diane AU - Wang, Lili AU - Cole, Kenneth AU - Reddy, Prasad C2 - Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD DA - 2006-07-01 00:07:00 LA - en M1 - 111 PB - Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD PY - 2006 TI - Methods to Characterize Ricin for the Development of Reference Materials ER -