000
00291nam a2200121Ia 4500
008
151205s9999||||xx |||||||||||||| ||und||
020
_c
0
100
_a
ROLL, ERICH
245
_a
ELEMENTS OF ECONOMIC THEORY
260
_c
1947
_b
OXFORD UNIVERSITY PRESS
650
_a
ECONOMICS
942
_c
BK
999
_c
297497
_d
297497