-凯发平台

hea|  |00625nam0 2200217   45  
000|  |144808
001|  |97001547
005|  |970817165734.0
092|  |▼acn▼b877b0011
100|  |▼a19750726b19451960m  y eng         ba
101|0 |▼aeng
102|  |▼ausa
110|  |▼aafa    0uuu
200|10|▼aamerican helicopter
207| 0|▼av.1,no.1(dec.1945)-v.54,no.7(apr.1960)
210|  |▼anew york, n.y.▼camerican hel-
   |  |icopter magazine, inc.▼d1945-60
215|  |▼a54 v. ▼d28 cm.
300|  |▼atitle from cover.
606|  |▼ahelicopters▼xperiodicals.
676|  |▼a629.1333505
905|  |▼a801▼vv.35▼y1954▼vv.37-40▼y19-
   |  |54-55▼vv.45▼y1957▼vv.49-54▼y1957-60