000 00330nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a591 L1
100 _a"De Berer,G."
245 _a"Homology, An unsolved problem :(Oxford biology readers NO.11)"
260 _a1971
_bOxford Univ. Press
_cMadras
300 _a16
942 _cBK
999 _c58121
_d58121