Markelz, A. G, J.-Y.  Chen, J. R Knab, Y.  He, and S.  Ye. ?Development Of Tagless Biosensors For Detecting The Presence Of Pathogens?. In Terahertz Frequency Detection And Identification Of Materials And Objects, ed X.-C. Zhang, R. E. Miles, H. Eisele and A. Krotkus:123-134. Dordrecht, The Netherlands: Springer, 2007.