003930000a22001450004500060000800000082001900008100002100027100002500048100001900073245003200092260002800124260000900152300000700161650007900168  a100  a574.  1882 BRO  aBrownJr, Frank A  aHastings, Woodland J  aPalmer, John D  aBiological clock: two views  aNewyork, Academic press  c1970  a93  aBiological rhythms/biological clocks/cellular-biochemical clock hypothesis