00266nam a2200085Ia 450000500170000000800410001705000170005824500780007526000270015320251229192346.0251229s9999    xx            000 0 und d  aSB 191 .W5R4 0aResults of the eighteennth international spring Wheat yield Nursey(ISWYN)  aLondresb CIMMYTc1987