TY  - BOOK
AU  - CLASSENER Martin Ira
AU  -  DE BLIJ Harm J
TI  - Systematic political geography
U1  - U5, K7;M0/TD3 
PY  - 1980///
CY  - New York
PB  - John Wiley USA       
KW  - Political Geography
N1  - Bibliography  chapterwise
ER  -