00262nam a2200097Ia 4500008004100000082002300041100002100064245003000085260004100115300000800156140113s9999    xx            000 0 und d  a330:633.002.2   K8  a"Harrison, C.H."  aForage Economics -Quality  a1968bAmerican Soc. AgronomycU.S.A.  a144