00918nam a2200265 i 450099100110503970753620020507111334.0970308s1971 us ||| | eng b10174345-39ule_instLE00642242ExLDip.to Fisicaita52.9.58522QB86Ingrao, H.C.463002New techniques in astronomy /edited by H.C. IngraoNew York :Gordon and Breach Science Publishers,1971xii, 446 p. :ill. ;24 cm.Astronomical instruments.b1017434521-09-0627-06-02991001105039707536LE006 52.9.57+52.9.58 ING12006000028622le006-E0.00-l- 00000.i1021366127-06-02New techniques in astronomy189499UNISALENTOle00601-01-97ma -engus 01