000 00344pam a2200157a 44500
008 230515b1990 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aN.D.
100 _aLoney S.L.
245 _aPlane Trigonometry
250 _a0
260 _aNULL
_bS. Chand & Company
_c1990
300 _a327
650 _aNULL
999 _c568656
_d568656