共 90 条
- [63] ODUM HT, 1955, AM SCI, V43, P331
- [64] OLSON GW, 1969, 80 CORN MISC B
- [65] OVERGAARD NC, 1949, NAT JUTL, V2, P1
- [66] OVINGTON J. D., 1963, ECOLOGY, V44, P52, DOI 10.2307/1933180
- [67] PRECSENYI I., 1969, Novenytermeles, V18, P49
- [68] PRECSENYI I, 1969, ACTA BOT ACAD HUNGAR, V15, P309
- [70] QUARTERMAN E, 1957, ECOLOGY, V38, P174