For an introduction to Fortran, see the following links and websites:
A Fortran Tutorial: An overview of Fortran put together by the University of Utah
Fortran in 100 Seconds: A video providing an overview of Fortran programming
To browse books on Fortran look under QA76.73.F28 in Mullen Library.
The Fortran 2003 handbook: the complete syntax, features and procedures
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Fundamentals of engineering programming with C and Fortran
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Programming the boundary element method: an introduction for engineers
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