TY  - BOOK
AU  - Trewartha,Glenn T.
AU  - Robinson,Arthur H.
AU  - Hammaond,Edwin H.
TI  - Elements of geography 
U1  - 910 TRE 
PY  - 1967///
CY  - Yew York
PB  - McGraw-Hill Book Company
KW  - General Geography
KW  - Geography-elements
ER  -