References
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- Rehm , H.J. and Wittmann , H. 1962 . Zeitschrift für Lebensmittel‐Untersuchung und ‐Forschung , 118 : 413 – 429 .
- Ough , C.S. 1986 . Determination of sulphur dioxide in grapes and wines . Journal of Association of Official Analytical Chemists , 69 : 5 – 7 .
- Vahl , J.M. and Convers , J.E. 1980 . Ripper procedure for determining sulfur dioxide in wine . Journal of Association of Official Analytical Chemists , 62 : 194 – 199 .