00419nam a2200145Ia 4500008004100000082001800041100002000059245003000079260002900109300000800138650004100146650003400187653003200221700002000253170901s1962    xx            000 0 und d  a630.717bF83W  aFraser, Alan K. 0aWork study in Agriculture  aLondonbLand Booksc1962  a248  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural extension work  aLugg, Gordon W.