000			00506 a2200145 4500
080			_a63(072)(72) _bN 277 E
245	1		_aReport of National Centre for Agricultural Education, Research and Extension
260			_aChapingo _bNational Centre for Agricultural Education, Research and Extension _c1964
650			_aAgricultural Research
650			_aEducation
650			_aExtension
700			_aNational Centre for Agricultural Education, Research and Extension, Mexico
100			_a _d
901			_a81291
999			_c41403 _d41403