Semina L.A., Sokhina A.M. (1967) Tryptophan and cystine content in bacterial histidine decarboxylase. Voprosy Meditsinskoi Khimii, 13(2), 194-196.

Semina L.A. et al. Tryptophan and cystine content in bacterial histidine decarboxylase // Voprosy Meditsinskoi Khimii. - 1967. - V. 13. -N 2. - P. 194-196.

Semina L.A. et al., "Tryptophan and cystine content in bacterial histidine decarboxylase." Voprosy Meditsinskoi Khimii 13.2 (1967): 194-196.

Semina, L. A., Sokhina, A. M. (1967). Tryptophan and cystine content in bacterial histidine decarboxylase. Voprosy Meditsinskoi Khimii, 13(2), 194-196.