TY - GEN AU - Leyendecker, E V C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1970-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.10192 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1970 TI - Pull-out strengths of closely spaced drilled-in-inserts in concrete: ER -