@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040821,
 author = {Otake, Tsuguo and Ishii, Toshiaki and Tanaka, Sho},
 issue = {2},
 journal = {Coastal marine science},
 month = {Jan},
 note = {application/pdf},
 pages = {147--153},
 title = {Otolith strontium : calcium ratios in a freshwater stingray, Himantura signifer Compagno and Roberts, 1982, from the Chao Phraya River, Thailand},
 volume = {29},
 year = {2005}
}