P. Jain

Hydrazones as analytical reagents: a review.

R. Singh, R. Singh, R. Singh, 1982, Talanta.

Spectrophotometric Determination of Copper with Diacetylmonoquinolylhydrazone

R. Singh, P. Jain, A. R. Anipindi, 1981 .

Spectrophotometric determination of cobalt(II) with 2,2'-dipyridyl-2-pyrimidylhydrazone

B. S. Garg, R. Singh, R. Singh, 1979 .