# Preprocessor-based variability in open-source and industrial software systems: An empirical study

> Research article (Empirical Software Engineering, 2015) · cited 81× · AI/ML

**Wikidata**: [openalex:W2051538742](https://www.wikidata.org/wiki/openalex:W2051538742)  
**Source**: https://4ort.xyz/entity/preprocessor-based-variability-in-open-source-and-industrial-software-systems-an-empirical-study