@misc{an+unified+formula+for+deriving+the+molecular+composition+of+hydrocarbons, author = {Kozak, Adam i Kozak, Aleksander i Fryźlewicz-Kozak, Beata}, title = {An unified formula for deriving the molecular composition of hydrocarbons}, journal = {Technical Transactions}, address = {Kraków}, publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>}, date = {2017}, number = {Y. 114, vol. 3} }