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title = {{Front Matter}},  booktitle = {Applied Gamma-Ray Spectrometry},  }  @techreport{Rossi_1964,  doi = {10.2172/4666967},  url = {http://dx.doi.org/10.2172/4666967},  year = {1964},  month = {nov},  publisher = {Office of Scientific and Technical Information ({OSTI})},  author = {B Rossi},  title = {{X-{RAY} {AND} {GAMMA}-{RAY} {ASTRONOMY}}},  }