TY - JOUR AU - Jillavenkatesa, Ajitkumar AU - Kelly, J C2 - Journal of Nanoparticle Research DA - 2002-10-01 LA - en M1 - 4 PB - Journal of Nanoparticle Research PY - 2002 TI - Nanopowder Characterization: Challenges and Future Directions ER -