Th. Hänsch; P. Toschek (1968-07-01). "Observation of Saturation Peaks in a He-Ne Laser by Tuned Laser Differential Spectrometry". IEEE Journal of Quantum Electronics. 4 (7): 467–468. Bibcode:1968IJQE....4..467H. doi:10.1109/JQE.1968.1075367.
Th. Hänsch; R. Keil; A. Schabert; Ch. Schmelzer; P. Toschek (1969-06-01). "Interaction of Laser Light Waves by Dynamic Stark Splitting". Zeitschrift für Physik. 226 (3): 293–296. Bibcode:1969ZPhy..226..293H. doi:10.1007/BF01392091. S2CID123032224.
Gerhard Mack; Sascha Wallentowitz; Peter E. Toschek (2014-07-01). "Decoherence in generalized measurement and the quantum Zeno paradox". Physics Reports. 540 (1): 1–23. Bibcode:2014PhR...540....1M. doi:10.1016/j.physrep.2014.02.004.
Th. Hänsch; P. Toschek (1968-07-01). "Observation of Saturation Peaks in a He-Ne Laser by Tuned Laser Differential Spectrometry". IEEE Journal of Quantum Electronics. 4 (7): 467–468. Bibcode:1968IJQE....4..467H. doi:10.1109/JQE.1968.1075367.
Th. Hänsch; R. Keil; A. Schabert; Ch. Schmelzer; P. Toschek (1969-06-01). "Interaction of Laser Light Waves by Dynamic Stark Splitting". Zeitschrift für Physik. 226 (3): 293–296. Bibcode:1969ZPhy..226..293H. doi:10.1007/BF01392091. S2CID123032224.
Gerhard Mack; Sascha Wallentowitz; Peter E. Toschek (2014-07-01). "Decoherence in generalized measurement and the quantum Zeno paradox". Physics Reports. 540 (1): 1–23. Bibcode:2014PhR...540....1M. doi:10.1016/j.physrep.2014.02.004.
Th. Hänsch; R. Keil; A. Schabert; Ch. Schmelzer; P. Toschek (1969-06-01). "Interaction of Laser Light Waves by Dynamic Stark Splitting". Zeitschrift für Physik. 226 (3): 293–296. Bibcode:1969ZPhy..226..293H. doi:10.1007/BF01392091. S2CID123032224.