Popov, V., Mikalauskas, S., Migilinskas, D. and Vainiūnas, P. (2006) “Complex usage of 4D information modelling concept for building design, estimation, sheduling and determination of effective variant”, Technological and Economic Development of Economy, 12(2), pp. 91-98. doi: 10.3846/13928619.2006.9637728.