Guidelines to Software Measurement, Release 1.1, International Function Point Users Group, Sep. 1996. Function Point Counting Practices Manual, Release4.0, International Function Point Users Group, Jan. 1994. Albrecht, Allan J., "Measuring Application Development Productivity", Proceedings SHARE/GUIDE IBM Applications Development Symposium, Monterey, CA., Oct 14-17, 1979. Albrecht, Allan J., "Function Points - A Method for Measuring Application Development Productivity", Q.A.I., White Plains, N.Y. Garmus, Dave, Herron, David, "Measuring The Software Process: A Practical Guide to Functional Measurements", Prentice Hall, ISBN 0-13-349002-5, October 1995. Jeffery D.R.,Low G.C., Barnes M.,"A comparison of Function Point Counting Techniques", IEEE Transactions on Software Engineering, Vol.19,No.5, May 1993. UK Function Point Users Group, "Mark II FPA Counting Practices Manual Version 1.1", October 1994. Fiorini, Soeli T., "Engenharia de software com CMM", Brasport, 1998.