00262nam a2200097Ia 4500008004100000082001900041100001900060245003600079260004100115300000800156140113s9999    xx            000 0 und d  a631.43.45   L2  a"Hanson, C.H."  aAlfaalfa science and technology  a1972bAmerican Soc. AgronomycU.S.A.  a812