@book{55590,
	author = {HASLAM، A. L. and  STALLYBRASS، W . T. S. D.C.L.},
	title = {THE LAW RELATING TO TRADE COMBIMATIONS /},
	publisher = {GEORGE & UNWIN LTD،},
	year = {1931.},
	address = {LONDON : },
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-09690.pdf}
}