Papers presented at the conference "Comparative biochemistry and biophisics of photosynthesis", Aug. 12 to 15 in 1967 at Hakone, Japan. Sponsored by the Japan-U.S. cooperative science program
(1968)
A symposium presented on the occasion of the one hundredth anniversary of the foundation of peabody museum of natural history at Yale university
(1968)
Paper presented at a symposium of the nineteenth annual meeting of the electron microscope Society of America, at the Pittsburgh, Pensylvania, on August 21, 1961
(1963)
![Национална конференция с международно участие на тема: „Биологични растениевъдство, животновъдство и храни”, [27-28 ноември 2014 г., Троян] [Електронен ресурс] : доклади, постери](https://eclipse.agriacad.bg/storage/img/52/1006/T0156348.jpg?1788914030)