Форум химиков

Помогите пожалуйста найти несколько статей, журнал один и тот же.

Journal of the Less Common Metals

1статья: Solvent extractionnext term of niobium and previous termtantalumnext term: III. previous termExtractionnext term mechanism in oxalic solutions with longchain tertiary amines
авторы: C. Djordjevića, H. Goričana and S.L. Tana
Journal of the Less Common Metals
Volume 11, Issue 5, November 1966, Pages 342-350

DOI:

http://dx.doi.org/10.1016/0022-5088(66)90066-X

2 статья: Solvent extractionnext term of niobium and previous termtantalumnext term: VI. previous termExtractionnext term with di-n-octylamino alcohols from hydrofluoric acid solutions of the metals
авторы: C. Djordjevića and D. Sevdića
Journal of the Less Common Metals
Volume 16, Issue 3, November 1968, Pages 233-239

DOI:

http://dx.doi.org/10.1016/0022-5088(68)90019-2

3 статья: Solvent extractionnext term of niobium and previous termtantalumnext term: IX. previous termExtractionnext term with di-n-octylamino butanone-(2) and di-n-octylamino acetic acid
авторы: D. Sevdića and H. Meider-Goric̆ana
Journal of the Less Common Metals
Volume 37, Issue 1, July 1974, Pages 103-110

DOI:

http://dx.doi.org/10.1016/0022-5088(74)90010-1

4статья: Solvent extractionnext term of niobium and previous termtantalumnext term VIII. previous termExtractionnext term with some bidentate phosphorus compounds from sulphate solutions
авторы: D. Sevdića and H. Meider-Goričana
Journal of the Less Common Metals
Volume 27, Issue 3, June 1972, Pages 403-409

DOI:

http://dx.doi.org/10.1016/0022-5088(72)90072-0

заранее большое спасибо.