TY - GEN AU - Godette, McClure AU - Higgons, Roger C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1971-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.10631 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1971 TI - Preparation of standard lead bearing samples: ER -