change+the+nature+of
131Symmetry , Stewart Ian (2013)
In the 1800s mathematicians introduced a formal theory of symmetry: group theory. Now a branch of abstract algebra, this subject first arose in the theory of equations. Symmetry is an immensely… 493 руб132Coloring Mandalas 1: For Insight, Healing, and Self-Expression , Susanne F. Fincher (2000)
Drawing the traditional circular designs known as mandalas is a meditative practice, a healing exercise in times of crisis, and a pleasurable act of creativity. As a symbol of the Self, the mandala… 1039 руб
