"eBook ISBN","Title","Subtitle","Authors/editors","Copyright year","Edition","DOI","Price (EUR)","Additional info"
"978-1-4757-1812-6","Fourth Workshop on Grand Unification","University of Pennsylvania, Philadelphia April 21–23, 1983"," LANGACKER;  STEINHARDT;  WELDON",1983,"1","https://doi.org/10.1007/978-1-4757-1812-6",100,""