000 003220000a22001330004500
008 140223b1969 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aG K9
082 _aG K9
100 _aGERKING (Shelby D)
245 _aBiological Systems
260 _aPhiladelphia, pa
_b W B Saunders
_c1969
650 _aBIOLOGY
999 _c229158
_d229158