%0 Journal Article %T DEFINITION OF LEVEL OF ABSTRACTNESS, COMPLEXITY AND INFORMATIONAL CONTENT OF VARIOUS SUBJECTS SCHOOL TEXTBOOK OF PHYSICS %A Mayer, R.V. %K expertise, content analysis, physics textbook, the level of abstraction, the complexity of educational material. %J Standards and Monitoring in Education %D 2013 %N 1 %P 8 %I INFRA-M Academic Publishing LLC.