An approach for estimating code changes in e-commerce applications. - Brian Chan; Lionel Marks; Ying Zou 001 (WSE, 2008)

An approach for estimating the time needed to perform code changes in business applications. - Brian Chan; King Chun Foo; Lionel Marks; Ying Zou 001 (Int. J. Softw. Tools Technol. Transf., 2009)

Studying the fix-time for bugs in large open source projects. - Lionel Marks; Ying Zou 001; Ahmed E. Hassan (PROMISE, 2011)

An empirical study of the factors affecting co-change frequency of cloned code. - Lionel Marks; Ying Zou 001; Iman Keivanloo (CASCON, 2013)