TY - BOOK AU - Holtzman, Steven R TI - Digital mantras : the languages of abstract and virtual worlds SN - 262082284 SN - 94009631 U1 - 00 30285 HOL PY - 1994/// CY - Cambridge, MA PB - MIT Press KW - Computers KW - Virtual reality N1 - Includes bibliographical references p. ([311]-315) and index ER -