RT Journal Article SR Electronic(1) A1 Kondo, Noriko A1 Watanabe, Shigeru A1 Izawa, Ei-Ichi YR 2010 T1 A Temporal Rule in Vocal Exchange Among Large-Billed Crows Corvus macrorhynchos in Japan JF Ornithological Science VO 9 IS 1 SP 83 OP 91 DO http://dx.doi.org/10.2326/osj.9.83 UL https://www.pieronline.jp/content/article/1347-0558/9010/83