Title: Upgrading to Fortran 90, Author: Cooper Redwine
Title: Programmer's Guide to Fortran 90, Author: Walter S. Brainerd
Title: Introducing Fortran 90, Author: Ian D. Chivers
Title: Object-Oriented Programming via Fortran 90/95, Author: Ed Akin
Title: Fortran 90 Language Guide, Author: Wilhelm Gehrke