@book{19033,
	author = {Shang, X.},
	title = {Synthesis and characterization of poly(arylene ether ketone)with sulfonated fluorene pendants for proton exchange membrane},
	url = {https://drive.google.com/file/d/15a8-hILSmSzeN-0u_KjxUZSdvbtBLs0f/view?usp=drivesdk}
}