Matamala, G.Smeltzer, W.Benavente, R.2007-11-121989-04-012007-11-121989http://hdl.handle.net/10625/4566Text1 digital file (11 p. : ill.)Application/pdfenCORROSIONSTEELPINESBY-PRODUCTSCOATINGPAINTS AND VARNISHESRESEARCH RESULTSPine tannin rust converter for steel protection by paintingWorking Paper