@book{ Solr-ocm02360358, title = {A spiral sequential sampler for air and liquids : preliminary results}, series = {Report of investigations - Bureau of Mines}, series = {United States Bureau of Mines Report of investigations -Bureau of Mines}, author = {Vinson, Robert P.}, editor = {Kissell, Fred N.}, editor = {United States. Bureau of Mines}, publisher = {U.S. Dept. of the Interior, Bureau of Mines}, year = {1976}, pages = {8}, }