![[CoOL]](/icons/sm_cool.gif){kind=icon}
URL: http://cool.conservation-us.org/don/fn/fn179.html
Timestamp: Thursday, 10-Mar-2011 17:22:26 PST
Retrieved: Wednesday, 19-Jun-2013 10:16:00 GMT
" Hutchings, Ernest A. D. A survey of printing processes. London. Heinemann. 1970.
URL: http://cool.conservation-us.org/don/fn/fn179.html
Timestamp: Thursday, 10-Mar-2011 17:22:26 PST
Retrieved: Wednesday, 19-Jun-2013 10:16:00 GMT