TY  - BOOK
AU  - Rees,T.Ifor
TI  - In and around the valley of Mexico / 
AV  - F 1301 R44.1953
PY  - 1953///
CY  - [Aberystwyth?] : [ediror no identificado], 
KW  - Mexico, Valley of (Mexico)
KW  - Valle de México
ER  -