共 19 条
[1]
DAY W. R., 1934, OXFORD FORESTRY MEM, V16, P1
[3]
DEPENDENCE OF ELECTRICAL IMPEDANCE OF WOODY STEMS ON VARIOUS FREQUENCIES AND TISSUES
[J].
CANADIAN JOURNAL OF BOTANY,
1970, 48 (12)
:2187-+
[4]
GLERUM C, 1969, FOREST SCI, V15, P85
[5]
HILLS GA, 1961, 46 ONT DEP LANDS FOR
[6]
KRASAVTSEV OA, 1968, DEUT AKAD LANDWIRTSC, V100, P23
[7]
Levitt J, 1956, HARDINESS PLANTS
[9]
PARKER JOHNSON, 1961, JOUR FOREST, V59, P108
[10]
SEASONAL BIOCHEMICAL CHANGES IN LIVING BARK AND NEEDLES OF RED PINE (PINUS-RESINOSA) IN RELATION TO ADAPTATION TO FREEZING
[J].
CANADIAN JOURNAL OF BOTANY,
1970, 48 (05)
:953-+