TY - GEN AU - Lichfield, Nathaniel ... et al. eds. ED - International Scientific Committee: general assembly [10th: 1993: Colombo] TI - Conservation economics: cost benefit analysis for the cultural built heritage: principles and practice SN - 9556130438 PY - 1993/// CY - Colombo PB - International Council on Monuments and Sites KW - ARCHAEOLOGY KW - HISTORIC SITES-Conservation-Economics ER -