000 00301nam a2200121 4500
008 160616s 000 0
245 _aSmall perturbation theory
100 _aSears, W.R.
440 _aPrinceton aeronautical paperbacks
500 _aB78:3 K02
942 _cBK
_2BK8684
080 _a533.6 SEA
999 _c8684
_d8684