{"source":"journal","style":"apa","journal": {"title":"Physical review." },"contributors": [{"function":"author","last":"American Institute of Physics.,"},{"function":"author","last":"American Physical Society.,"},{"function":"author","last":"Cornell University.,"},{"function":"author","last":"American Physical Society.,"} ],"pubtype": {"main": "pubjournal"},"pubjournal": {"year":"1893"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"1715212","issn":"0031-899X"}