共 6 条
[3]
Movie piracy and sales displacement in two samples of Chinese consumers[J] . Jie Bai,Joel Waldfogel.Information Economics and Policy . 2012 (3-4)
[4]
Principal component analysis
[J].
WILEY INTERDISCIPLINARY REVIEWS-COMPUTATIONAL STATISTICS,
2010, 2 (04)
:433-459
[6]
Retro-reflection of glass beads for traffic road stripe paints[J] . T. Grosges.Optical Materials . 2007 (10)