@article {Balchin:1971:0031-9120:370,
	author = "Balchin A.A.",
	title = "Analogies between optical and X-ray diffraction: the reciprocal lattice",
	journal = "Physics Education",
	volume = "6",
	year = "1971",
	abstract = "",
	pages = "370-375(6)",
	url = "http://www.ingentaconnect.com/content/iop/physed/1971/00000006/00000005/art00006"
}