1. The use of acid soluble absorbants for TLC in pharmaceutical analysis;Aaroe;Medd. Nor. Farm. Selsk.,1976
2. Quantitative determination of pharmaceutical preparations by potentiometric titration in methanol;Aldarowa;Tr. Vost.-Sib. Technol. Inst.,1966
3. British Pharmacopoeia,1973
4. Analysis of tabletted dosage forms of non-aqueous titration;Bushkova;Farmatsiya,1971