【序号】:2 【作者】:De PK 【题名】:The role of blue-green algae in nitrogen fixation in rice-fields 【期刊】:PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES B-BIOLOGICAL SCIENCES 【年、卷、期、起止页码】:1939 ,127 ,846,121-139 【全文链接】:
【序号】:3 【作者】:WIEBE WJ, JOHANNES RE, WEBB KL 【题名】:NITROGEN-FIXATION IN A CORAL-REEF COMMUNITY 【期刊】:SCIENCE 【年、卷、期、起止页码】:1975,188 ,4185,257-259 【全文链接】:http://www.sciencemag.org/content/188/4185/257.abstract