共 50 条
- [1] FOODS OF WINTERING BRANT IN EASTERN NORTH-AMERICA [J]. JOURNAL OF FIELD ORNITHOLOGY, 1985, 56 (03) : 286 - 289
- [3] MIGRATION OF SAW-WHET OWL IN EASTERN NORTH-AMERICA [J]. BIRD-BANDING, 1975, 46 (02): : 101 - 105
- [4] CHANGING PATTERNS OF DIFFERENTIAL FERTILITY IN NORTHWEST EUROPE AND IN NORTH-AMERICA [J]. EUGENICS QUARTERLY, 1962, 9 (03): : 147 - 150
- [8] TECTONIC INFLUENCE ON SEDIMENTATION PATTERNS, UPPER ORDOVICIAN OF EASTERN NORTH-AMERICA [J]. AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1987, 71 (09): : 1107 - 1107
- [9] CARIBOU INTRODUCTIONS IN EASTERN NORTH-AMERICA [J]. WILDLIFE SOCIETY BULLETIN, 1989, 17 (02) : 111 - 120