The value of software sizing. - F. George Wilkie; I. R. McChesney; Philip Morrow; C. Tuxworth; N. G. Lester (Inf. Softw. Technol., 2011)

Function point analysis using NESMA: simplifying the sizing without simplifying the size. - Philip Morrow; F. George Wilkie; I. R. McChesney (Softw. Qual. J., 2014)

Software sizing for cost/schedule estimation. - Philip Morrow (2018)