Heinz Seltmann

Long, R. C., Seltmann, H., & Barnhardt, R. W. (1999). Apparatus and method for simultaneously topping and applying a precision application of sucker control chemicals to tobacco and other row crops. Washington, DC: U.S. Patent and Trademark Office.

Seltmann, H., Sheets, T. J., Campbell, C. R., & Quick, F. E. (1989). Chemical residues and agronomic characteristics of flue-cured tobacco after applications of 2,4-D and dicamba. Tobacco International, 191(22), 59.

SELTMANN, H. (1974). EFFECT OF LIGHT PERIODS AND TEMPERATURES ON PLANT FORM OF NICOTIANA-TABACUM L CV HICKS. BOTANICAL GAZETTE, 135(3), 196–200. https://doi.org/10.1086/336752