@book{69454,
	author = {BINSWANGER, Hans P                                           and  SHETTY, S V},
	title = {Economic aspects of weed control in Semi-Arid Tropical areas of India                                                   },
	year = {1971},
	series = {International Crops Research  Institute for the Semi-Arid  Tropics, ICRISAT, Economics  Program, Occasional paper    }
}