@article{weko_15_1,
   author	 = "",
   title	 = "Chlorophyll a and macro-nutrient concentrations and photosynthetically active radiation during the training vessel Umitaka-maru cruises of the 58th Japanese Antarctic Research Expedition in January 2017",
   journal	 = "Polar Data Journal",
   year 	 = "2019",
   volume	 = "3",
   number	 = "",
   pages	 = "46--58",
   month	 = "oct"
}