TY  - BOOK
T1  - Then and now. The changes of the last fifty years
A1  - Murray, Gilbert
PP  - Oxford
PB  - At the Clarendon press
YR  - 1935
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.56775
OP  - 42
ER  -