000 00323nam a2200109 4500
020 _a0810806231
082 _a808.02 BOY/DOC
100 _aBoyer, C
245 _aDoctoral desertation as an information source : A Study of scientific information flow
_cby Boyer, C
260 _aNewjersy
_bScarecrow Press
_c1973
942 _cBK
999 _c379870
_d379870