TY - RPRT TI - A coherent approach for interrogating polybenzoxazole fibers for residual phosphoric acid AU - Holmes, Gale AU - Park, Eun Su AU - Guttman, Charles M AU - Flynn, Kathleen M AU - Sieber, John R AU - Watson, Stephanie S AU - Rice, Kirk D PY - 2009 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 7584 DO - 10.6028/NIST.IR.7584 ER -