1. Migliore l'utilizzazione alimentare delle paglie trattale con l'ammoniaca;Andrighetto;Inf. Agrar.,1984
2. Have you get money to burn?;Bastiman;Arable Farm.,1986
3. Studies on treatment of straw with ammonia;Becker;Wirtschaftseigene Futter,1977
4. Nitrogen in ammoniated straw: a rapid method for assessing the different forms by nitrogen-15 solid state n.m.r. spectroscopy;Benzing-Purdie;Chem. Ind.,1987
5. Investigations to optimize the method of chemical preservation and upgrading of wet straw by urea treatment;Block,1986