TY - JOUR AU - Andrew Hamilton BT - The Astrophysical Journal DA - 08/1988 DO - 10.1086/185235 PY - 1988 EP - L59 T2 - The Astrophysical Journal TI - Evidence for biasing in the CfA survey UR - http://articles.adsabs.harvard.edu/full/1988ApJ...331L..59H VL - 331 SN - 0004-637X ER -