BLAIR & TOBEY

title	ISBN-13	year of publication
Mathpro Explorer 4.0 Network Version	978-0-13-997776-3	1999
Mathpro Explorer 4.0 Student Version	978-0-13-099781-4	1999
Mathpro Explorer Pc Keydisk	978-0-13-099782-1	1999
Sm Prealgebra Aie	978-0-13-020668-8	1999