TY  - BOOK
AU  - Merrill, Helen Abbot
TI  - Mathematical excursions
SN  - 9780486203508
U1  - G510 MER 
PY  - 1933///
CY  - New York
PB  - Dover Publications Inc
UR  - /cgi-bin/koha/opac-retrieve-file.pl?id=ca31fb523728bbc0f57edf6f4b320edf
ER  -