2024-03-29T08:42:01Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/230982019-04-25T02:06:03Zhdl_2115_21566hdl_2115_21524hdl_2115_141STUDIES ON THE BIOLOGY OF THE SEA URCHIN:Ⅲ. Reproductive Cycle of Two Sea Urchins, Strongylocentrotus nudus and S. intermedius, in Southern HokkaidoFUJI, Akira660北海道大学水産学部Departmental Bulletin Paperapplication/pdfhttp://hdl.handle.net/2115/23098https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/23098/1/11%282%29_P49-57.pdf0018-3458AN00230314北海道大學水産學部研究彙報11249571960-08engpublisher