00331nam a2200121Ia 4500008004100000020001800041040001500059082002500074100003800099245001700137260004300154300001200197231128s9999    xx            000 0 und d  a0-13-979709-2  aPHSAcPHSA  aCIR  516.24 H39 1993  aHayden, Jerome D. Hall, Bettye C. 0aTrigonometry  aNew Jersey bPrentice-Hall, Inc.c1993  a472  p.