The influence of riblets on the development of a Λ structure and its transformation into a turbulent spot Litvinenko, Yu.A., Chernoray, V.G., Kozlov, V.V., Loefdahl, L., Grek, G.R., Chun, H. 2006 Doklady Physics 51 (3), 144–147, MAIK Nauka/Interperiodica Publishing Without Abstract   check pdf