@article{León:319625,
      recid = {319625},
      author = {León, Pedro},
      title = {The Role of Research in Increasing Food Yields},
      address = {1986-10-06},
      series = {Panel 1},
      month = {Oct},
      year = {1986},
      note = {Paper presented at the The Impact of Research on National  Agricultural Development, Report on the First International  Meeting of National Agricultural Research Systems and the  Second IFARD Global Convention, edited by Brian Webster,  Carlos Valverde, Alan Fletcher},
      url = {http://ageconsearch.umn.edu/record/319625},
}