How about shelving J. of Chrom. Part A and J. of Chrom. Part B immediatedly
following J. of Chrom.?  Put all the A's together, then follow with the B's,
or, A and B for same year, repeating sequence each year? We have done this
with some of our titles that have split.  Just a thought.
                                                         Barbara Royer
                                                         MSU
                                                   <BROYER@UCSVM.MCNEESE.EDU>