TY - JOUR AU - Jillavenkatesa, Ajitkumar AU - Kelly, James AU - Dapkunas, S C2 - American Pharmaceutical Review DA - 2002-07-01 00:07:00 LA - en M1 - No. 2 PB - American Pharmaceutical Review PY - 2002 TI - Some Issues in Particle Size and Size Distribution Characterization of Powders ER -