?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N+K&rft.au=Awadhwal%2C+N+K&rft.aulast=Awadhwal&rft.atitle=Development+of+Rolling-Type+Soil+Crust+Breaker&rft.title=Agricultural+Mechanization+in+Asia%2C+Africa+and+Latin+America&rft.issn=0084-5841&rft.date=1983&rft.volume=14&rft.pages=31-34&rft.issue=4&rft.genre=article