期刊名：<b>Earthkeeper</b>/issn:1181-7828 <button onclick='javascrip:history. back()'>返回列表</button><br><br>Continues:<a href='jlist.php?journalName=Natural Life

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<br><table><tr bgcolor=#009a31><td>收入的数据库</td><td>查看文献题录（留空直达期刊首页）</td><td>收入起止年份</td></tr><tr><td>ProQuest Central</a></td><td><form method=post action=jlist.php target=_blank><input type=hidden name=action value=articlelink><input type=hidden name=avid value=54019><input type=hidden name=jid value=41343>卷号:<INPUT name=jvolume  size=4>,首页页码:<INPUT name=spage size=4><input type=submit value='查看期刊原文'></form></td><td> Available from 1993/02/01 until (and including) 1994/12/31 </td></tr><tr><td colspan=3 bgcolor=#009a31 height=2></td></tr></table>