Construction method of pre assembled unit of bolt sphere grid

L W Hu, F L Guo, J L Wang and F M Bu
Institute of Physics (IOP)
Published 2018

Publication Date:	2018-03-24
Publisher:	Institute of Physics (IOP)
Print ISSN:	1755-1307
Electronic ISSN:	1755-1315
Topics:	Geography Geosciences Physics
Published by:	http://www.iop.org/