http://www.pitt.edu/~super1/lecture/lec17881/index.htm

http://www.pitt.edu/~super1/lecture/lec17891/index.htm

http://www.pitt.edu/~super1/lecture/lec15681/index.htm

http://www.pitt.edu/~super1/lecture/lec15681/index.htm

http://www.pitt.edu/~super1/lecture/lec14781/index.htm

http://www.pitt.edu/~super1/lecture/lec14671/index.htm

http://www.pitt.edu/~super1/lecture/lec13621/index.htm

http://www.pitt.edu/~super1/lecture/lec13511/index.htm

http://www.pitt.edu/~super1/lecture/lec12431/index.htm

http://www.pitt.edu/~super1/lecture/lec12741/index.htm

http://www.pitt.edu/~super1/lecture/lec12571/index.htm

http://www.pitt.edu/~super1/lecture/lec13541/index.htm

http://www.pitt.edu/~super1/lecture/lec9841/index.htm

http://www.pitt.edu/~super1/lecture/lec0311/index.htm

http://www.pitt.edu/~super1/lecture/lec3861/index.htm

http://www.pitt.edu/~super1/lecture/lec5121/index.htm

http://www.pitt.edu/~super1/lecture/lec10021/index.htm