000 003230000a22001330004500
008 140223b1973 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _aXb4 L3
082 _aXb4 L3
100 _aChowdhury P N
245 _aEconomics of research and development
260 _aNew Delhi
_bPPH
_c1973
650 _aEconomics
999 _c76306
_d76306