9.3
=> e allis-chalmers/pa
E1 37 ALLIED-SIGNAL INC/PA
E2 14 ALLIS/PA
E3 0 --> ALLIS-CHALMERS/PA
E4 8 ALLIS-CHALMERS CORP/PA
E5 4 ALLIS-CHALMERS MFG CO/PA
...
=> s e4-e5
8 "ALLIS-CHALMERS CORP"/PA
4 "ALLIS-CHALMERS MFG CO"/PA
L1 12 ("ALLIS-CHALMERS CORP"/PA OR "ALLIS-CHALMERS MFG CO"/PA)
=> sel l1 1- paco
E1 THROUGH E1 ASSIGNED
=> s e1
L1 12 ALCM/PACO
(ALCM/PACO)
=> s l1 and 1980/py
3492 1980/PY
L2 1 L1 AND 1980/PY
=> d