A space plateau, a base, a spaceship and a planet among the cosmic coldA space plateau, a base, a spaceship and a planet among the cosmic cold
A method of radionuclide diagnostics based on the introduction of a pathway to bone tissue into the patient's bodyA method of radionuclide diagnostics based on the introduction of a pathway to bone tissue into the patient's body
The shadow of a four-screw aircraft on a brown backgroundThe shadow of a four-screw aircraft on a brown background