000 00470 a2200253 4500
001 112131
020 _a17
041 _aeng
080 _a519.3 Sch
245 _aVariational method in engineering.
250 _a
260 _a
260 _bMcGraw-Hill, new York,
260 _c1967
300 _ap.vii,287,illus.,23cm.,
300 _c
490 _a
100 _aSchechter, R.S.\
700 _a
650 _a
650 _a
942 _cBK
942 _2UDC
999 _c132215
_d132215