000 002600000a22001210004500
245 _aMethod study
100 _aFields, Alan
260 _aLondon
_bCassell
_c1969
300 _axv, 228p. ill.
080 _a65.015.1
_bF5
041 _aEN
942 _cBK
_03
999 _c104275
_d104275