@article{PismaZhETF.12.378, title = {Multiphoton Processes Induced by Powerful Intense Light in the Presence of External Electric Fields. Detection of Ions in Media}, author = {Arutyunyan, I. N. and Askar'yan, G. A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {12}, issue = {7}, pages = {378}, year = {1970}, doi = {}, url = {http://jetpletters.ru/ps/0/article_26332.shtml}, }