共 50 条
- [32] OPACS IN NORTH-AMERICA PROGRAM-AUTOMATED LIBRARY AND INFORMATION SYSTEMS, 1986, 20 (04): : 425 - 425
- [35] MINORITIES IN NORTH-AMERICA ANNALES-ECONOMIES SOCIETES CIVILISATIONS, 1977, 32 (01): : 172 - 175
- [36] LEPTOSPIROSIS IN NORTH-AMERICA AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE, 1952, 1 (03): : 457 - 461
- [38] ASSOCIATIONS OF SONG PROPERTIES WITH HABITATS FOR TERRITORIAL OSCINE BIRDS OF EASTERN NORTH-AMERICA AMERICAN NATURALIST, 1991, 138 (04): : 973 - 993