The Cosmos on a Shoestring: Small Spacecraft for Earth and S girro 2014年2月9日 13 阅读 0 评论 交通运输 The Cosmos on a Shoestring: Small Spacecraft for Earth and S by: Liam P. Sarsfield Publisher: RAND Corporation Print length: 150 Publication Date: 1998-03-25 ISBN-10: 0833025287 ISBN-13: 9780833025289 < 资源下载资源下载价格10元立即购买