Grudev, M.; Tsocheva, P. Laboratory studies for establishing optimum parameters for the synthesis of ethylenediametetraacetic acid(保加利亚文). Trudove na Instituta po Maslo-Sapunena Promishlenost, 1974. 2: 57-68. ISSN0204-7136. CODENTIMPDZ.
Grudev, M.; Tsocheva, P. Laboratory studies for establishing optimum parameters for the synthesis of ethylenediametetraacetic acid(保加利亚文). Trudove na Instituta po Maslo-Sapunena Promishlenost, 1974. 2: 57-68. ISSN0204-7136. CODENTIMPDZ.