45imp4 Page

Alternatively, it may refer to the series. Context of the World List

The request for "" refers to a specific entry in the World List of Scientific Periodicals (1900–1950) , a major bibliographic reference for scientific journals. Identification 45imp4

The World List was designed to standardize journal abbreviations to ensure each one indicates only one specific periodical. According to the Preface to the Second Edition , researchers were urged to use these exact codes to avoid confusion among more than cataloged. Alternatively, it may refer to the series

publications (specifically technical communications or reports). 45imp4

Could you clarify if you are looking for the indexed under this code, or a description of the periodical itself?