| R&D. |
scientists predict that (Ivan Pisarev); scientists project that (Ivan Pisarev); scientists predicted that (Ivan Pisarev); scientists estimate that (Ivan Pisarev); scientists forecast that (Ivan Pisarev); scientists claim that (Ivan Pisarev); it is predicted that (Ivan Pisarev); according to scientists (Ivan Pisarev); according to forecasts of scientists (Ivan Pisarev) |
