@article{PismaZhETF.56.192, title = {Alignment in gamma-hadron families of cosmic rays and interaction characteristics at $E_0\sim 10^{16}$ eV}, author = {Ivanenko, I. P. and Kopenkin, V. V. and Managadze, A. K. and Rakobol'skaya, I. V.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {56}, issue = {4}, pages = {192}, year = {1992}, doi = {}, url = {http://jetpletters.ru/ps/0/article_19411.shtml}, }