00311nam a2200109Ia 4500008004100000082001500041245004900056250001200105260004200117300001000159650003200169140113s9999    xx            000 0 und d  a591.133 L7  aTrace elements in human and animal nutrition  a4th Ed.  b"New York : Academic Press Inc, 1977"  a545p.  aTrace elements in nutrition