共 25 条
[2]
BAZZAZ F A, 1969, Transactions of the Illinois State Academy of Science, V62, P430
[4]
BRAUN EL, 1967, DECIDUOUS FORESTS EA
[6]
COTTAM G, 1973, HDB VEGETATION SCI 5, P195
[7]
CURTIS GW, 1969, STATISTICAL SUMMARIE
[8]
EBINGER JE, 1968, T ILL STATE ACAD SCI, V60, P16
[9]
FRANZ EF, IN PRESS
[10]
GEIS JW, 1968, 14 QUAT ILL COLL AGR, P89