@book{1715, author = {Douglas, John F. and Gasiorek, Janusz M.}, title = {Fluid Mechanics }, publisher = {Prentice Hall,}, year = {2011.}, address = {England :}, edition = {6th ed.}, url = {https://books.google.com.pk/books?id=JyLoTgEACAAJ&dq=Fluid+Mechanics+6th+ed.+by+douglas&hl=en&sa=X&redir_esc=y} }