https://scholars.unh.edu/pdch_5_31/ 2022-07-19 https://scholars.unh.edu/pdch_5_31/1/ 2015-09-28 https://scholars.unh.edu/pdch_5_31/2/ 2015-04-30 https://scholars.unh.edu/pdch_5_31/3/ 2022-07-19