\glossaryentry{VR\glsadd {main-vr}?\glossentry{vr}|setentrycounter[]{page}\glsnumberformat}{17} \glossaryentry{Virtual Reality?\glossentry{main-vr}|setentrycounter[]{page}\glsnumberformat}{17} \glossaryentry{Virtual Reality?\glossentry{main-vr}|setentrycounter[]{page}\glsnumberformat}{20} \glossaryentry{Cave Automatic Virtual Environment?\glossentry{main-cave}|setentrycounter[]{page}\glsnumberformat}{20} \glossaryentry{Head Mounted Display?\glossentry{main-hmd}|setentrycounter[]{page}\glsnumberformat}{20} \glossaryentry{Virtual Environment?\glossentry{main-ve}|setentrycounter[]{page}\glsnumberformat}{20} \glossaryentry{Head Mounted Display?\glossentry{main-hmd}|setentrycounter[]{page}\glsnumberformat}{20} \glossaryentry{Head Mounted Display?\glossentry{main-hmd}|setentrycounter[]{page}\glsnumberformat}{20} \glossaryentry{Virtual Reality?\glossentry{main-vr}|setentrycounter[]{page}\glsnumberformat}{20}