TITRIMETRIC DETERMINATION OF CIS-3,6-ENDOMETHYLENE-1,2,3,6-TETRAHYDROPHTHALIC (ENDIC) ANHYDRIDE AND THE IMPURITY OF THE CORRESPONDING ACID Статья Evtushenko Yu.M., Zaitsev B.E., Ivanov V.M., Karpushina N.A. Journal of Analytical Chemistry. Том 53. 1998. С. 1053-1056
ANALYTICAL REACTIONS OF ORGANIC ACID ANHYDRIDES WITH PIPERIDINE IN ACETONITRILE Статья Evtushenko Yu.M., Karpushina N.A., Zaitsev B.E., Ivanov V.M. Journal of Analytical Chemistry. Том 53. 1998. С. 804-809