English
Sirakov, Marin M.
English : For the Higher Inst. of Agriculture / Marin Sirakov; съавт. Denka Dobreva; съавт. Ljudmila Petrova.. - 3. ed. - : Naouka i izkoustvo, 1989. - 279 с. 21 см
811.111(075.8) +
English : For the Higher Inst. of Agriculture / Marin Sirakov; съавт. Denka Dobreva; съавт. Ljudmila Petrova.. - 3. ed. - : Naouka i izkoustvo, 1989. - 279 с. 21 см