%0 Generic %A Oberth, Hermann, %C Berlin ; %D 2014. %I Walter de Gruyter GmbH & Co. KG, %@ 9783486754636 (alk. paper) %T The rocket into planetary space %U http://SK8ES4MC2L.search.serialssolutions.com/?sid=sersol&SS_jc=TC0001402870&title=The%20rocket%20into%20planetary%20space