A. Kh. Zilbershtein, A. A. Chaihorsky & V. S. Semenov. Discovery of Natural Separation of Isotopes in Layered Intrusions Provided by the Gradients of a Temperature, of a Pressure and of a Deformation, Using Lukkulaisvaara Intrusion (North Karelia) As an Example. IST-V7 2022, 7-16.