TY - RPRT TI - 4th International colloquium on atomic spectra and oscillator strengths for astrophysical and laboratory plasmas poster papers AU - Sugar, Jack AU - Sugar, Jack AU - Leckrone, David S PY - 1993 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 850 DO - 10.6028/NIST.SP.850 ER -