![]() | Полный вариант заголовка: «Outlines of natural philosophy being heads of lectures delivered in the university of Edinburg. Vol. 2 / By John Playfair». |
![]() | Полный вариант заголовка: «Outlines of natural philosophy being heads of lectures delivered in the university of Edinburg. Vol. 2 / By John Playfair». |