00278nam a2200097Ia 4500008004100000082003500041100001900076245005800095260002000153300000700173140113s9999    xx            000 0 und d  a631.524.86:633/635(047.3)   H8  a"Astation, F."  aTechnique of breeding for drought resistance in crops  a1948bCABcU.K.  a34