000 00579 a2200193 4500
020 _a818586022X
082 _a631.715
_bBOL
090 _c21306
_d33088
100 _aBolliger, Ernst
245 _aAgricultural extension
_bguidelines for extension workers in rural areas
260 _aLucknow
_bInternational book distributing
_c1990
_g1993
300 _a[300]p.
_c27cm
650 _aAgriculture and related technologies
650 _aApparatus, equipment, materials
650 _aWater conservation
700 _aZellweger, Tonino
700 _aReinhard, Peter
942 _cL
999 _c48805
_d48805