Whigham, D. K. (1975). International soybean variety experiment: First report of results. Urbana, Illinois: College of Agriculture, University of Illinois at Urbana Champaign.
Citación estilo ChicagoWhigham, David Keith. International Soybean Variety Experiment: First Report of Results. Urbana, Illinois: College of Agriculture, University of Illinois at Urbana Champaign, 1975.
Cita MLAWhigham, David Keith. International Soybean Variety Experiment: First Report of Results. Urbana, Illinois: College of Agriculture, University of Illinois at Urbana Champaign, 1975.
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