21. Ross in 1950 carried out an investigation into the theoretical basis for such studies. 22. Hertz was better credentialled, and had a systematic mathematical and theoretical basis for the observations. 23. Bond hardening and bond softening share the same theoretical basis , which is dressed in photons. 24. There's no good theoretical basis for your extrapolations ." 25. It also covers the theoretical basis of ICC and shows its many-fold potential for applications. 26. This assumption lays the theoretical basis for the art. 27. The theoretical basis for regime shifts has been developed from the mathematics of non-linear systems. 28. This is in simplified terms the theoretical basis for the term " whole language ." 29. He worked out theoretical basis and some practical means for hybridization of geographically distant plants. 30. X?founded the pure theoretical basis of the system.
