Fairchild Ruggles, D., & Silverman, H. Intangible heritage embodied. Springer New York. https://doi.org/10.1007/978-1-4419-0072-2 D. Fairchild Ruggles H. Silverman
Ruggles, D. F., & Silverman, H. From tangible to intangible heritage. 1-14. https://doi.org/10.1007/978-1-4419-0072-2_1 D.F. Ruggles H. Silverman