TY - SER AU - Bednarik,Robert G. TI - Cosmogenic radiation nuclides in archaeology: a response to Phillips et al. KW - ANTROPOLOGIA N1 - Antiquity 72 (1998): 811Ð815 N2 - Various methods have been employed in the attempt to date rock-art. Here Robert Bednarik offers a critique of the cosmogenic radiation nuclides method, and its application to the Côa petroglyphs ER -