TY - GEN AU - Bilonick,Richard A TI - Re: A comparison of four gravimetric fine particle sampling methods SN - 1096-2247 PY - 2004///0604 KW - Air Pollutants KW - Analysis of Variance KW - Data Interpretation, Statistical KW - Environmental Monitoring KW - instrumentation N1 - Publication Type: Comment; Comparative Study; Letter ER -