TY - JOUR AU - Susan Heller-Zeisler AU - R. Parr AU - Rolf Zeisler C2 - Fresenius Journal of Analytical Chemistry DA - 1998-02-01 LA - en M1 - 360 PB - Fresenius Journal of Analytical Chemistry PY - 1998 TI - Certification of Two Human Hair Reference Materials Issued by the International Atomic Energy Agency ER -