@misc{155361, author = {Robert Bohn and Edward Garboczi}, title = {User Manual for Finite Element and Finite Difference Programs: A Parallel Version of NISTIR 6269 and NISTIR 6997}, year = {2003}, month = {2003-06-01}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, language = {en}, }