00339nam a2200109Ia 4500008004100000082001500041245004700056260004800103300001000151490004600161650002200207140113s9999    xx            000 0 und d  a581.135 J7  aThe biological action of growth substances  b"London : Cambridge university press, 1957"  a343p.  aA wiely publication in applied statistics  aGrowth substances