TY - RPRT TI - The National Environmental Specimen Bank research program for sampling, storage, and analysis AU - Gills, T E AU - Rook, H L AU - Durst, R A PY - 1979 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 79-1704 DO - 10.6028/NBS.IR.79-1704 ER -