@book{100,
	author = {Yvard, Catherine},
	title = {Gothic Ivory Sculpture :},
	publisher = {The Courtauld Intitute of Art,},
	year = {2017.},
	series = {Courtauld Books Online},
	address = {London :},
	url = {https://www.dropbox.com/scl/fi/b1ptxs2hm7x0a397y4p0v/L-2017-001-YVARD.pdf?rlkey=z7xe7zwayjrnmz56s0y7ez2ze&dl=0}
}