@article {30392,
	title = {Errors in strike and dip measurements},
	volume = {87},
	year = {1976},
	pages = {977-980},
	publisher = {Bulletin of the Geological Society of America},
	url = {http://www.bioone.org/archive/0003-0090/290/1/pdf/i0003-0090-290-1-1.pdf},
	author = {Cruden, D. M. and Charlesworth, H. A. K.}
}
