TY - Generic T1 - Ultrafast THz spectroscopy of photoactive biomolecules T2 - Ultrafast Phenomena in Semiconductors VII Y1 - 2003 A1 - Chen, J.-Y. A1 - Whitmire, S. E. A1 - Markelz, A. G. A1 - Hillebrecht, J. R. A1 - Birge, R. R. JF - Ultrafast Phenomena in Semiconductors VII CY - San Jose, California ER -