TY  - BOOK
AU  - Sprague, Roland
AU  - Sprague, Roland
TI  - Unterhaltsame Mathematik Translated Into English As Recreation In Mathematics By T.H. O' Beirne
U1  - BOMY34 
PY  - 1963///
CY  - London
PB  - Blackie
KW  - BOMY34
ER  -