共 15 条
[2]
BENEDETTI EL, 1963, J ROY MICROSC SOC, V81, P219
[4]
CLOWES FL, 1968, 8 BOT MON
[7]
COCKING EC, 1966, Z NATURFORSCHG, V216, P581
[8]
Frey-Wyssling A, 1965, ULTRASTRUCTURAL PLAN