TY - RPRT TI - Evaluation of the Bostitch stapler method for applying asphalt shingles AU - Cullen, W C AU - Snoke, H R PY - 1955 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 4291 DO - 10.6028/NBS.RPT.4291 ER -