00283nam a2200109 a 450000500170000008200200001710000150003724500340005226000400008630000160012649000310014220251203090509.0  a581.11,bD, bak  aBaker, DA.  aTransport phenomena in plants  aLoNew DelhionbChapman & Hallc1978  a80p, 22 cm.  aOutline studies in biology