00460nam a22001697a 450000500170000000700040001700800040002104000090002505000250003424501100005926000290016930000180019844000270021665000120024370000200025570000150027520170721123328.0000000  aUOEL  aQC981.8.C5b.H8 2006  aGetting the message across :bpromoting ecological agriculture in Bangladesh /cDipankar Datta, Kamal Kar  aLondon ;biied ,cc2006.  a24 p. :bill.  aGatekeeper seriesn122  aPhysics  aDatta, Dipankar  aKar, Kamal