000 00399-am-a2200157-a-4500
001 YSU0032161
005 20230826155002.0
008 000605s1939 xxu 000 0 eng u
040 _aAM, AiYeEPHG, :0/06/05
100 1 0 _aBach, A.
245 1 0 _aPlanning Science /
_cA. Bach
260 0 _aM. :
_bForeign Languages Publishing House ,
_c1939.
300 _a31 p.
650 4 _aEnglish
999 _c33633
_d33633
942 _cBK