Welch, D. I. <br/><br/>
Studies on the evaluation pf physical chemical processes fo-r the removal of organohalogen precursors during water puri-fication. part 1: preliminary investigations of polymaleic -acid as a model organohalogen precursor / D.I. Welch, R.A. -van Steenderen and P. G. van Rossum. 

 - Pretoria, Sudafrica : stitute for Water Research 
 - 6 p. 
<br/><br/> "Reprinted from Water S.A. Vol. 11, No. 3 , July 1985".