Cullen, Katherine, Ph.D. books & textbook
Encyclopedia of Life Science (Science Encyclopedia)
Facts on File /2009T Hardcover / 896 Pages
isbn-10: 0816070083 / isbn-13: 9780816070084
Encyclopedia of Earth and Space Science (Science Encyclopedia)
Kusky, Timothy, Ph.D. Cullen, Katherine E.
Facts on File /2010T Hardcover / 873 Pages
isbn-10: 0816070059 / isbn-13: 9780816070053
