A class by themselves : the untold story of the great southern families

 https://welib.org/md5/4130849a738e70623e4007b06b3f350c

Aviation Week: June 10,1985

 https://welib.org/md5/2af1f0237bf64c2a46466bf64b5bd914

The Met : one hundred years of grand opera

 https://welib.org/md5/bc3261ceb397bdd85548de5e462a0d70

Kosmos 1684

 1985-084A

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Kosmos-1684
Date	Time	Event	Orbit
1985 Sep 24	0118:10	Launch by 8K78M	Plesetsk
		BVGD sep
		GO sep
		T+4:46 Blok A sep
		T+4:56 KhO sep
		T+8:46 Blok-I MECO
	0127	T+8:50 Blok-I sep
		T+1:00? BOZ burn
	0218?	T+1:00? BOZ sep
		2BL burn
		2BL MECO
	0221?	T+1:03 2BL sep
1985 Sep 24			586x40171x62.9