00299nam a2200109Ia 4500008004100000082001600041100000500057245007400062260003200136300000500168700001600173140316s9999    xx            000 0 und d  a633bSHE/BA  a  aBarley: genetics , biochemistry , molecular biology and biotechnology  aUKbCAB internationalc1992  a  aShewwry,P R