000 00300nam a2200133Ia 4500
008 160316s1969 xxu||||| |||| 00| 0 eng d
020 _a
100 _aGerking Saley D
245 _aBiological Systems
250 _a
260 _aPhiladelphia
_bW B Sauders Co.
_c1969
300 _a480
700 _a
_a
999 _c16572
_d16572