Barry E. DiGregorio

Accretionary lapilli, tektites, or concretions: the ubiquitous spherules of Meridiani Planum

Barry E. DiGregorio, B. Digregorio, 2004, SPIE Optics + Photonics.

Dissolution cavities in upper Ordovician sandstones from Lake Ontario: analogs to vesiculated rocks on Mars?

Barry E. DiGregorio, B. Digregorio, 2003, SPIE Astronomical Telescopes + Instrumentation.

Rock varnish as a habitat for extant life on Mars

Barry E. DiGregorio, B. Digregorio, 2002, SPIE Optics + Photonics.

A planetary quarantine laboratory on the moon

Barry E. DiGregorio, B. Digregorio, 2004, SPIE Optics + Photonics.