Citations and References

References

Printed Materials
Periodicals

1.　"Color of the bill", "BIRDER"Bunichisougousyupan,May 1998,pp.26-27.

Printed Materials
Part of a book

1.　Mizumo Nakahiko. "Sparrow", "The Life of Bird"Hoikusya,1996

2.　Kamaya turuhiko & Matuda Michio. "Swallow" "Sparrow", "An Illustrated Guide to Japanese Bird" Syougakukan,1996

3.　"Swallow" "Sparrow", "An Illustrated Guide to Creatures"Syufutoseikatusya,1993

4.　"Swallow" "Sparrow", "Japanese Bird"Yamatokeikokusya,1996

5.　"Wonder of Bird's body" "Wonder of bird's ecology" "Nature Watching","Bird's Ecology"Gakusyuukenkyuusya,1993

6.　"Sparrow", "BRITANNICA International Encyclopaedia"TBS-Britannica,vol.10,1973,pp.657-658

7.　"Swallow", "BRITANNICA International Encyclopaedia"TBS-Britannica,vol.13,1973,pp.526-527

8.　Satouchi Ai. "Sparrow", "Nature's Illustrated Guide"Fukuinkansyoten,1993

9.Ueda Kisuke. "Swallow" "Sparrow", "Birds 282"Shougakukan,1997