000 00272nam a2200097Ia 4500
008 240404s9999 xx 000 0 und d
100 _aBarbilian, Dan
245 0 _aGrupuri cu operatori
_cDan Barbilian
260 _aBucuresti
_bEd. Academiei Romane
_c1960
942 _aIMAR
_cCART
999 _c36287
_d36287