Analysis of information sources in references of the Wikipedia article "Leo Szilard" in English language version.
{{cite book}}
: ISBN / Date incompatibility (help){{cite book}}
: ISBN / Date incompatibility (help)Ss. 1–46 repealed by Patents Act 1949 (c. 87), Schs. 2, 3 and Registered Designs Act 1949 (c. 88), s. 48, Sch. 2
{{cite book}}
: ISBN / Date incompatibility (help){{cite book}}
: ISBN / Date incompatibility (help)