B. Priestley's Time Plays== References ==== Bibliography ==*David Lewis, "Counterfactuals", (1973 printing 1986; Blackwell & Harvard U.P.
* Теория двойников* Модальность (лингвистика)* Мультивселенная* David Lewis, "Counterfactuals", (1973 printing 1986; Blackwell & Harvard U.P.