1592952524000 1312632483000 term-1654 1616541197400 1312632485000 1616290251439 adlib fitz-online adlib-term-1654 596b659b-d9b6-35a8-9ca6-4b8113726d61 2 1 structures, stability of structures, stability of term reference term-1655 adlib-term-1655 9e0c9e10-baee-3886-ae2e-b25f69a6fd7b structural stability