#31920Schoolgirl at the blackboard, mathematics classSign in or register,to downloadAdd to cartRemove from cartCategories: EducationLocation: Moscow, RussiaEvent date: 30.11.1962Date published: 29.11.2004Author: Mikhail OzerskiySource: SputnikCredit: SputnikOriginal: A136762, 35 mm filmMedia: JPEG, 3000x2599px, 1.7MbclassMathematics