Изготовление электронных копий любых изданий

Efficient land use of sludge and manure Proc. of a round-table seminar organized by the Commiss. of the Europ. commutinies, Directorate-general science, research a.development, Environment research progr., held in Br?rup-Askov, Denmark, 25-27 June 1985 Ed. by A. Dam Kofoed et al.