Mathur, D.N. Aggarwal, S.K.
Dyes pigments and dye intermediates - Delhi Small Industry Research Inst. 1980 - 276p. - Small scale industries ; no.53 .
677.044.321 / M3
Dyes pigments and dye intermediates - Delhi Small Industry Research Inst. 1980 - 276p. - Small scale industries ; no.53 .
677.044.321 / M3