HTTP/2 301 date: Sun, 18 Jan 2026 07:55:15 GMT content-length: 0 location: https://doi.org/10.1016/S0097-8485(96)80015-5 server: cloudflare vary: Origin expires: Mon, 19 Jan 2026 07:55:15 GMT permissions-policy: interest-cohort=(),browsing-topics=() cf-cache-status: DYNAMIC nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} strict-transport-security: max-age=31536000; includeSubDomains; preload report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=6O1NGMONAgwq%2FREORdZvP6TvnVLAi%2FuRwcb3g3Mzq%2FRs8AebcvNOgdymyJKc1OHYLhBNy7IxgUCH49pUui7dlR8jeyGQ7Q%3D%3D"}]} cf-ray: 9bfc876cffaad86d-BLR alt-svc: h3=":443"; ma=86400 HTTP/2 302 date: Sun, 18 Jan 2026 07:55:15 GMT content-type: text/html;charset=utf-8 location: https://linkinghub.elsevier.com/retrieve/pii/S0097848596800155 server: cloudflare vary: Origin vary: Accept expires: Sun, 18 Jan 2026 08:10:59 GMT link: ; rel=dul permissions-policy: interest-cohort=(),browsing-topics=() cf-cache-status: DYNAMIC nel: {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800} strict-transport-security: max-age=31536000; includeSubDomains; preload report-to: {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=ZKmUK9BlTmTCPethGXyt9BdZZngOxKBWFGLuC0xVC%2FuChI2koHIK3IgEjQvWQb3L1bl%2BJnNBz6WQBsHAduVBn3VZjG%2FgTQ%3D%3D"}]} cf-ray: 9bfc876d4ffbd86d-BLR alt-svc: h3=":443"; ma=86400 HTTP/2 200 date: Sun, 18 Jan 2026 07:55:16 GMT content-type: text/html;charset=UTF-8 content-length: 2704 set-cookie: JSESSIONID=19F35CE14EB266E60921591422F11E7D; Path=/retrieve; Secure; HttpOnly pragma: no-cache cache-control: no-cache, no-store, must-revalidate expires: Thu, 01 Jan 1970 00:00:00 GMT set-cookie: visitorId=YR5R8zjobQEjWjUxT5b0; Max-Age=2147483647; Expires=Fri, 05 Feb 2094 11:09:23 GMT; Path=/ p3p: CP="NON DSP COR CUR ADM DEV TAI PSA PSD OUR IND UNI NAV STA PRE COM INT CNT",policyref="https://linkinghub.elsevier.com/retrieve/static/P3P/IHUB-p3p.xml" tdm-reservation: 1 tdm-policy: https://www.elsevier.com/tdm/tdmrep-policy.json content-language: en-US