@book{101, author = {Hibbeler, R. C.}, title = {Engineering mechanics :}, publisher = {Pearson/Prentice Hall,}, year = {[2007].}, address = {Upper Saddle River, NJ :}, edition = {Eleventh Edition.}, note = {Previous edition: Upper Saddle River, N.J.: Pearson/Prentice Hall, 2004.} }