version March 6, 1995 
  James J. McCarthy 
  Thomas Thompson cruise TT007, 
  N-15 uptake rates for labeled substrates of nitrite, nitrate and ammonium 
  
  Due to the strong diel patterns in nitrogen uptake and the resulting  
  possible misinterpretation of these profile data through simple integration 
  and daily mulitpliers, the user community is directed to the areal summary 
  data files and the Deep Sea Research paper (see McCarthy et al., in prep).