000 00318nam a2200133Ia 4500
008 160316s1972 xxu||||| |||| 00| 0 eng d
020 _a
100 _aJohn A. Behnke
245 _aChallenging Biological Problems
250 _a1st
260 _aNEW YORK
_bOXFORD UNIVERSITY PRESS
_c1972
300 _a502
700 _a
_a
999 _c1005
_d1005