Shriram Institute for Industrial Research; Jain, H.C.; Taneja, U.; Verma, N.K.; Sharma, Sanjay; Wadhwa, D.S.(Shriram Institute for Industrial Research, Delhi, IN, 1994)
Instituto de Investigación Tecnológica Industrial y de Normas Técnicas; Simon Fraser University, Dept. of Chemistry; Goya, T.; Oehlschlager, A.C.; Sanchez, R.; Bliss, G.(ITINTEC, Lima, PE, 1992)