@article{JRC8010, address = {}, year = {1991}, author = {Barber T and Walters P}, abstract = {Abstract not available }, title = {Evaluation of Absolute Number Densities by Diode Laser Atomic Absorption Spectroscopy}, type = {}, url = {}, volume = {45}, number = {4}, journal = {Applied Spectroscopy}, pages = {524-526}, issn = {}, publisher = {}, doi = {} }