*001198599 *00520250613174146.0 *007ta *008071219s1996 xxu 000 u eng d *00900790cam a2200205 c 4500 *019 $bl *035 $a(EXLNZ-47BIBSYS_NETWORK)990209503904702201 *035 $a(NO-LaBS)15137338(bibid) *035 $a(NO-TrBIB)02095039x *035 $a02095039x-47bibsys_network *040 $aNO-TrBIB$bnob$ekatreg *1001 $aLichtenberg, Frank R$0(NO-TrBIB)90611297$_30447400 *24510$aInternational R&D spillovers :$ba re-examination$cFrank R. Lichtenberg, Bruno van Pottelsberghe de la Potterie *260 $aCambridge, Mass.$bNBER$c1996 *300 $a24 s. *4901 $aNBER working paper series$v5668 *7001 $aPottelsberghe de la Potterie, Bruno van$0(NO-TrBIB)2076058$_43826700 *830 0$aWorking paper series (National Bureau of Economic Research : trykt utg.)$x0898-2937$v5668$w999105437124702201$_13074900 *901 $a80 *999 $aoai:nb.bibsys.no:990209503904702202$b2021-11-14T19:55:56Z$z990209503904702202 ^