TY - RPRT TI - Circular of the Bureau of Standards no. 560: leather research and technology at the National Bureau of Standards- a review and bibliography AU - Wallace, Everett L PY - 1955 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 560 DO - 10.6028/NBS.CIRC.560 ER -