Qualitative chemical semimicroanalysis / editedV. N. Alwxeyev ; by P. K. Agasyan, translated from the russian by Artavaz Beknazarov. Alexeyev, V. N. Agasyan, P. K. Chemistry. 541 ALQ Includes index. Delhi : CBS Publishers, c1980. c1980. 1980 Text 585p.: eng