article

book published in 1991

scholarly article by Robert A. Philpott published in January 2000

chapter published in 1999

scholarly article published in 2000

book published in 2007

scientific article published in 1998

article published in 1994

scientific article published in January 1999

scholarly article by Robert A. Philpott published in January 1989

scholarly article by Robert A. Philpott published in January 1989

scholarly article by Robert A. Philpott published in January 2000

chapter published in 2022

scholarly article by Robert A. Philpott published in January 1989

scholarly article published in January 1994

chapter published in 1994

article published in 1998

chapter published in 2015