TY - RPRT TI - Biodeterioration of standard reference materials AU - Olson, G J AU - Iverson, W P AU - Brinckman, F E PY - 1981 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 81-2246 DO - 10.6028/NBS.IR.81-2246 ER -