1[1]Chung-MacCoubrey, Hagerman A E, and Kirkaptrick R L. Effects of tannins on digestion and detoxification activity in gray squirrel. Physiol. Zool., 1997, 7:270~277.
2[2]Batzli G O. Responses of arctic rodent populations to nutritional factors.Oikos, 1983,40:396~406.
3[3]Harborne J B. \%Ecological chemistry and biochemistry of plant terpenoids\%. University press. Oxford. 1991.90~105.
4[4]Iason G R and Palo R T, Effects of birch phenolics on a grazing and a browsing mammal: a comparison of hares. J. Chem. Ecol., 1991, 17;1733~ 1743.
5[5]David E D and Robert T D. Deactivation of plant defense: correspondence between insect behavior and secretary canal architecture. Ecol., 1991, 72: 1383~1396.
6[6]Scriber J M. Sequential diets, metabolic costs and growth of Spodoptera erdania feeding upon dill lima bean and cabbage. Oecologia, 1981, 51:175~180.
7[7]Iason G R, and Murray A H. The energy costs of ingestion of naturally occurring plant phenolics by sheep. Physiol. Zool., 1996, 69: 532~546.
8[8]Haukioja E, Kapiainan K, and Niemela P, et al. Plant availability hypothesis and other explanations of herbivore cycles: Complementary or exclusive alternatives. Oikos, 1983, 40:419~432.
9[9]Toumi J. Toward integration of plant defense heroes. Trend Evol. Ecol., 1992,7:365~367.
10[10]Batzli G O. Special feature: Mammal-plant interactions. J. Mamm., 1994,75:813~815.