@book{382935,
	author = {AMERICAN SOCIETY FOR TESTING MATERIALS},
	title = {Symposium on light microscopy},
	publisher = {American Society for Testing Materials},
	year = {1953},
	series = {ASTM Special Publication},
	address = {Philadelphia},
	note = {Presented at the fifty-fifth annual meeting (fiftieth anniversary meeting) American Society for Testing Materials, New York, N. Y., June 25, 1952.}
}