@article{Kim2017, author = "Taewoo Kim and Shamira Sridharan and Gabriel Popescu", title = "{Media 2: Gradient field microscopy of unstained specimens}", year = "2017", month = "4", url = "https://opticapublishing.figshare.com/articles/media/Media_2_Gradient_field_microscopy_of_unstained_specimens/4945139", doi = "10.1364/OE.20.006737.m002" }