Institut pochvovedenii︠a︡ i fotosinteza AN SSSR za 25 let
by V. I. Kefeli
Institut pochvovedenii︠a︡ i fotosinteza (Akademii︠a︡ nauk SSSR)
Writing a summary for young readers…
For young readers
Book data: Open Library
by V. I. Kefeli
Book data: Open Library