TY  - BOOK
AU  - Heim, Michael
TI  - Metaphysics of virtual reality 
SN  - 0-19-509258-9
U1  - 006 
PY  - 1994///
CY  - New York
PB  - OUP
KW  - Technology- Social aspects
KW  - Virtual reality
KW  - Human- computer interaction
KW  - Computer science
N1  - Includes index
ER  -