Coherent interaction between high-power light pulses and exciton-impurity centers in molecular crystals.

Valkunas, L., Gaizauskas, E., Poluektov, A.I., and Popov, Y.M., Coherent interaction between high-power light pulses and exciton-impurity centers in molecular crystals., Quant. Electronika 6:1971, 1979