@article{weko_25712_1,
   author	 = "Walter,R. and Bourban,G. and 海老澤,研 and Kretschmar,P. and Paizis,A.",
   title	 = "INTEGRAL surveys",
   journal	 = "Astronomische Nachrichten",
   year 	 = "2003",
   volume	 = "324",
   number	 = "1-2",
   month	 = "feb"
}