@misc{free+convection+on+the+outer+surface+of+vertical+longitudinally+finned+tubes, author = {Niezgoda-Żelasko, Beata i Żelasko, Jerzy}, title = {Free convection on the outer surface of vertical longitudinally finned tubes}, journal = {Technical Transactions}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2015}, number = {Y. 112, iss. 1-M} }