@article{PismaZhETF.7.73, title = {Possibility of Igniting a Traveling Laser Spark at Beam Intensities Much Below the Breakdown Threshold}, author = {Raizer, Yu. P.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {7}, issue = {2}, pages = {73}, year = {1968}, doi = {}, url = {http://jetpletters.ru/ps/0/article_25579.shtml}, }