Validation of along-track interferometric SAR measurements of ocean surface waves. - Paris W. Vachon; John W. M. Campbell; A. Laurence Gray; Fred W. Dobson (IEEE Trans. Geosci. Remote. Sens., 1999)

Conformance Testing for Biometric Data Interchange Formats, Standardization of. - John W. M. Campbell; Gregory Zektser (Encyclopedia of Biometrics, 2009)

Conformance Testing Methodologies for Biometric Data Interchange Formats, Standardization of. - Dylan Yaga; John W. M. Campbell; Gregory Zektser (Encyclopedia of Biometrics, 2015)