@article{PismaZhETF.15.709,
    title = {Two-step Photodissociation of Ammonia Molecules Excited by Laser Radiation},
    author = {Ambartsumyan, R. V. and Letokhov, V. S. and Makarov, G. N. and Puretskii, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {15},
    issue = {12},
    pages = {709},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26698.shtml},
}