00270pam a2200109a 44500008004100000041000800041100001600049245002100065260004300086300000800129700002300137230405s1989    xxu||||| |||| 00| 0 eng d  aENG  akochhar p l  aplant physiology  abatma ram and sons H O kashmerec1989  a583  akrishnamoorthy H N