@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040464,
 author = {Feng, Peng},
 journal = {Journal of the Faculty of Letters, the University of Tokyo, Aesthetics},
 month = {Mar},
 note = {application/pdf},
 pages = {99--110},
 title = {Natural Beauty and a Review of Chuang Tzu's Aesthetics},
 volume = {25},
 year = {2001}
}