[1. Hoffmann, 1.: }. of the AOAC 44 (1961) 723.10.1093/jaoac/44.4.723]Search in Google Scholar
[2. Hoffmann,J., A. D. ·cordon und E. V. Parups: J, of the AQAC-48 (1965)_762. 10.1093/jaoac/48.4.762]Search in Google Scholar
[3. Haeberer, A. F., W. 5. Sdtlotzhauer und 0. T. Chortyk:" A 'new ·quantitative method for maleic hydrazide; CORESTA /26th TCRC Joint Conference, Williamsburg, Va., USA, Oktober 1972. ]Search in Google Scholar
[4. Of6cta1 Methods of Analysis of the Assodalion of Officjal Analytical Qtemists, nth Edition, Washington, 1:970.]Search in Google Scholar