共 551 条
- [2] Adams CC, 1915, B ILL STATE LAB NAT, V11, P30
- [3] LIGNIN CHEMISTRY - PAST, PRESENT AND FUTURE [J]. WOOD SCIENCE AND TECHNOLOGY, 1977, 11 (03) : 169 - 218
- [4] AHLGREN CE, 1966, J FOREST, V64, P614
- [6] BIOMASS AND NUTRIENT DISTRIBUTION IN ASPEN, PINE, AND SPRUCE STANDS ON SAME SOIL TYPE IN MINNESOTA [J]. CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 1978, 8 (03): : 290 - 299
- [7] Albion Robert Greenhalgh, 1926, HARVARD EC STUDIES, VXXIX
- [8] Aldrich J. W., 1943, American Midland Naturalist, V30, P346
- [9] ALEXANDER CHARLES P., 1931, ARCH HYDROBIOL SUPPL BD TROPISCHE BINNENGEWASSER, V9, P135
- [10] ALEXANDER RR, 1954, USDA16 FOR SERV PAP