00297nam a2200121Ia 4500008004100000082001500041100002000056245003200076260003500108300000800143942000700151999001700158190709s9999 xx 000 0 und d a523.83OG6D aOgorodnikov K.F 0aDynamics of stellar systems aNew Yorkbpergamon pressc1965 a358 cBK c41006d41006