000 00314 a2200121 4500
082 _a016.6295
_bN17a2
245 1 _aAERONAUTICS AND SPACE BIBLIOGRAPHY FOR THE SECONDARY GRADES
250 _a2nd
260 _aWashington
_bU. S. Government Printing Office
_c
300 _a49
964 _gCIRC
997 _a57281 C
999 _c455659
_d455659