TY - RPRT TI - EFFICIENCY AT SORTING CARDS IN COMPRESSED AIR. AU - E C POULTON AU - M J CATTON AU - A CARPENTER PY - 1964 DO - 10.1136/oem.21.3.242 UR - https://pubmed.ncbi.nlm.nih.gov/14180485/ ID - 14180485 ER -