000 00304nam a2200157Ia 4500
020 _aNULL
082 _a519.94
100 _aDospekhov,B. A.
245 0 _aField Experimentation
250 _a-
260 _aMoscow
_bMir Publishers
300 _a352
500 _a167
650 _aNA
942 _cBK
999 _c28401
_d28401