00318cam a2200121ua 4500041001000000082001800010100002200028245005900050250001200109260005800121300001200179504000500191  aengh  a581.1bBID/PL  aBidwell, R G S  .  aPlant physiology / cR G S Bidwell.hTextual Documents  a1 / b.  aMelbourne : bMacMillan and Company Limited , c1974.  a643 ; .  a