000
00295nam a2200097Ia 4500
008
120224s9999 xx 000 0 und d
082
_a
514.24
_b
GRA
100
_a
Gray, Brayton
245
_a
Homotopy theory : an introduction to algebraic topology
260
_b
Academic Press
_a
New York
_c
1975
999
_c
141998
_d
141998