共 50 条
- [31] Atmospheric deposition to a low-elevation spruce-fir forest, Maine, USA J. ENVIRON. QUAL., 2 (248-259):
- [40] EVALUATION OF SPRUCE-FIR FORESTS USING SMALL-FORMAT PHOTOGRAPHS PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING, 1982, 48 (05): : 771 - 778