@article{article, title = {Microbial nitrogen metabolism c Ammonium regeneration within the euphotic zone Significance of ammonium regeneration on phytoplankton nutrition}, author = {}, year = {2001}, pages = {Limnology and ecology of a Japanese lake 207-215}, howpublished = "\url{https://eurekamag.com/research/035/307/035307335.php}" }