“Free libraries”版本间的差异
来自cslt Wiki
| 第7行： | 第7行： | ||
[http://www.superlectures.com/conferences.php SuperLecture] | [http://www.superlectures.com/conferences.php SuperLecture] | ||
| − | [http:// | + | [http://online.stanford.edu/courses Standford course] |
| + | |||
[http://www.nap.edu/ NAP free lib] | [http://www.nap.edu/ NAP free lib] | ||
