Aspiazu, Celestino, Robert H. Shaw. Comparison of several methods of growing-degree-unit calculations for corn (Zea mays L.) 435
Felch, R.E., R.H. Shaw and E.R, Duncan. The climatology of growing degrees in Iowa. 443
Jarvis, J.L. and W.D. Guthrie. Relation of horticultural characteristics of peppers to damage by larvae of the European corn borer. 463
"Iowa State Journal of Science 46.4,"
Iowa State Journal of Research: Vol. 46
, Article 1.
Available at: https://lib.dr.iastate.edu/iowastatejournalofresearch/vol46/iss4/1