Preserving our rock art heritage /
Preserving our rock art heritage /
edit. by Helen Crotty.
- San Miguel, Calif. : American Rock Art Research Association, 1989.
- x, 105 p. ; 28 cm.
Bibliografia : p. 91-104.
GN799 / .P4 P76
Bibliografia : p. 91-104.
GN799 / .P4 P76