共 51 条
[32]
OOSTING HJ, 1948, STUDY PLANT COMMUNIT
[33]
POTZGER J. E., 1948, BUTLER UNIV BOT STUD, V8, P161
[35]
QUICK BE, 1923, MICH ACAD SCI ARTS, V3, P211
[36]
Postglacial migration of five forest genera
[J].
AMERICAN JOURNAL OF BOTANY,
1942, 29 (08)
:684-691
[38]
SECOR JB, 1949, BUTLER U BOT STUDIES, V19, P60
[39]
SEELEY DA, 1917, MICH BRD AGR ANN REP, V56, P683
[40]
SHERRARD TH, 1902, FORESTRY IRRIGATION, V8, P404