000 00288nas a2200085 a 4500
008 140526s9999 xx 000 0 und d
245 _aPhysics Letters Master Index of Volumes 21-50A
260 _bNorth-Holland Publishing Company
_aAmsterdam
_c1977
530 _aVol:69B;Issue:1-4;Month:Jul-Aug;
999 _c21804
_d21804