5W. S. Robinson.Observations on preservation of archacological wrecks and metals in marine environment. International Journal of Nautical Arcbaeology . 1981
6F. E. Zeuner.Notes on the Bronze Age tombs at Jercho 1. Palestine Exploration Quanerly . 1955
7O. P. Agrawal,et al.Stop dangerous practices. Museum . 1982
8A. D. Baynes-Cope.Caring for Books and Documents. . 1981
9A. E. Fleming.Conservation and Storage: photographic materials. The Muscum Environment . 1986