00396nam a2200133Ia 4500003000400000008004100004020002400045040000800069100002100077245010200098260003800200300001100238365001300249LDD181029s9999    xx            000 0 und d  a201631717cUS57.99  cLDD  aKalawsky, Roy S. 4aThe science of virtual reality and virtual environmentsba technical, scientificcRoy S. Kalawsky  aWokinghambAddison - Wesleyc1994  axx,405  bUS57.99