Schlag, E.W.;Selzle, H.L.;Larsen, J.G.
Single Photon Phase Fluorimetry with Nanosecond Time Resolution
Review of Scientific Instruments
1974
45
364-367

Kuttner, H.G.;Selzle, H.L.;Schlag, E.W.
Absolute Quantum Yield Measurement for Quantum Counters
Zeitschrift für Naturforschung Section A - a Journal of Physical Sciences
1974
A 29
224-229