共 25 条
[11]
Glaser BG., 1998, Grounded theory
[13]
HUNZIKER M, 2000, ENSTELLUNGEN BEVOLKE
[14]
Hunziker Marcel, 2001, Forest Snow and Landscape Research, V76, P301
[15]
KELLEHER PC, 1980, ONCODEV BIOL MED, V1, P241
[19]
SCHEMEL HJ, 1998, NATURERFAHRUNGSRAUME
[20]
STREMLOW M, 2002, SCHREIBZUGE WILDNIS