The risk to health microbes in sewage sludge applied to land: report on a WHO Working Group, Stevenage, 6-9 January 1981 Available

The CPO library does not offer an opening and lending service to the public, as its attendance has always been reserved for internal staff.
Those who are interested in having information on the possible consultation of certain volumes in the catalog can contact Antonio Randino by email: arandino@cittadellasalute. to.it