00460nam a2200157Ia 4500008004100000020001500041082001600056100001800072245004200090260005400132300000800186650004100194650003400235653001700269700001600286170901s1986    xx            000 0 und d  a818501907X  a634.9bK55A  aKhosla, P. K. 0aAgroforestry SystemsbA new Challenge  aDehra DunbIndian Society of Tree Scientistc1986  a286  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgroforestry  aPuri, Sunil