TY - RPRT TI - A gamma-ray attenuation technique for assessing the distribution of porosity in powder beds [proceedings]. AU - P J Woodhead AU - J M Newton AU - J G Hardy AU - S A Jackson PY - 1979 DO - 10.1111/j.2042-7158.1979.tb11620.x UR - https://pubmed.ncbi.nlm.nih.gov/42750/ ID - 42750 ER -