共 75 条
- [31] HEYBROEK HM, 1982, 1981 P DUTCH ELM DIS, P78
- [32] HEYBROEK HM, 1966, AM FORESTS, V22, P26
- [33] HEYBROEK HM, 1981, COMPENDIUM ELM DISEA, P3
- [34] HEYBROEK HM, 1966, AM FORESTS, V22, P60
- [35] HEYBROEK HM, 1967, 14 IUFRO K MUNCH, V5, P447
- [36] HIBBERD S, 1963, INTELLECTUAL OBSERVE, V2, P191
- [37] HORSFALL JG, 1978, PLANT DISEASE ADV TR, V2, P17
- [38] HOVE HA, 1968, PALAEOGEOGR PALAEOCL, V5, P359
- [39] HUMPHREYS HN, 1863, INTELLECTUAL OBSERVE, V2, P28
- [40] HUNT JOHN, 1956, LLOYDIA [CINCINNATI], V19, P1