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http://groups.csail.mit.edu/mac/classes/6.001/abelson-sussman-lectures/

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• Structure and Interpretation of Computer Programs, Video Lectures
  "Structure and Interpretation of Computer Programs has been MIT's introductory pre-professional computer science subject since 1981. It emphasizes the role of computer languages as vehicles for expressing knowledge and it presents basic principles of abstraction and modularity, together with essential techniques for designing and implementing computer languages. This course has had a worldwide impact on computer science curricula over the past two decades."
  By bioinformatics in Public bookmarks with computerscience tutorial

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