Kraeva NE, Rabinovich ML, Klesov AA, Berezin IV. The degradation of low-molecular chromogenic substrate, promoted by cellulose and its derivatives, under the action of Trichoderma viride endoglucanase. DOKLADY AKADEMII NAUK SSSR 290 (2): 484-486 1986

and the list of references thereof

Thanks,Mikhail.　Please tell me its DOI, if possible.　I cannot reach the report.