Petkov, N., Natcheva, Y., Vasileva, Y., Petkov, Z., Matei, A., Pau, E., Dogaru, D., Ciulu, M. Assessment of combine ability of perspective Bulgarian and Romanian silkworm Bombyx mori L. races. I. On the basis of diallel crosses. 2005 с. 747-754,.
Petkov, N., Natcheva, Y., Vasileva, Y., Petkov, Z., Matei, A., Pau, E., Dogaru, D., Ciulu, M. Assessment of combine ability of perspective Bulgarian and Romanian silkworm Bombyx mori L. races. I. On the basis of diallel crosses. 2005 с. 747-754,.
Petkov, N., Natcheva, Y., Vasileva, Y., Petkov, Z., Matei, A., Pau, E., Dogaru, D., Ciulu, M. (2005) Assessment of combine ability of perspective Bulgarian and Romanian silkworm Bombyx mori L. races. I. On the basis of diallel crosses, с. 747-754,.
Petkov, N., Natcheva, Y., Vasileva, Y., Petkov, Z., Matei, A., Pau, E., Dogaru, D., & Ciulu, M. (2005). Assessment of combine ability of perspective Bulgarian and Romanian silkworm Bombyx mori L. races. I. On the basis of diallel crosses. с. 747-754.
Petkov N, Natcheva Y, Vasileva Y, Petkov Z, Matei A, Pau E, et al. Assessment of combine ability of perspective Bulgarian and Romanian silkworm Bombyx mori L. races. I. On the basis of diallel crosses. 2005. p. с. 747-754.