310476document101567The structure and control strategies of hybrid solid gravity energy storage system.pdfapplication/pdfe23c86827d03546db9bc371140b4f0c9MD5120088902023-05-10 12:19:14https://pure.iiasa.ac.at/id/eprint/18784/1/The%20structure%20and%20control%20strategies%20of%20hybrid%20solid%20gravity%20energy%20storage%20system.pdf