Sommer, H., Beltrán, J. P., Huijser, P., Pape, H., Lönnig, W. E., Saedler, H., & Schwarz-Sommer, Z. (1990). Deficiens, a homeotic gene involved in the control of flower morphogenesis in Antirrhinum majus: The protein shows homology to transcription factors.

Sommer, H., J P. Beltrán, P. Huijser, H. Pape, W E. Lönnig, H. Saedler, και Z. Schwarz-Sommer. Deficiens, a Homeotic Gene Involved in the Control of Flower Morphogenesis in Antirrhinum Majus: The Protein Shows Homology to Transcription Factors. 1990.

Sommer, H., et al. Deficiens, a Homeotic Gene Involved in the Control of Flower Morphogenesis in Antirrhinum Majus: The Protein Shows Homology to Transcription Factors. 1990.