【序号】:1 【作者】:Michael O''''''''Keefee and John Sherington 【题名】:Comparison of three methods for the determination of urea in compound feed and silage 【期刊】:Analyst 【年、卷、期、起止页码】:1983, 108, 1374 - 1379 【全文链接】:http://www.rsc.org/publishing/journals/AN/article.asp?doi=AN9830801374