{"title":"用脊椎骨作为北方黑头牛的年龄指标。米拉(Rafinesque)。","authors":"W M LEWIS","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":87637,"journal":{"name":"Iowa State College journal of science","volume":"23 2","pages":"209-18"},"PeriodicalIF":0.0000,"publicationDate":"1949-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"The use of vertebrae as indicators of the age of the northern black bullhead Ameiurusm. melas (Rafinesque).\",\"authors\":\"W M LEWIS\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\",\"PeriodicalId\":87637,\"journal\":{\"name\":\"Iowa State College journal of science\",\"volume\":\"23 2\",\"pages\":\"209-18\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1949-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Iowa State College journal of science\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Iowa State College journal of science","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}