[-----------------------], SOME SPECIAL PROPERTIES OF HIGH BOILED SUGAR CONFECTIONERY, CHOCOLAT, COCOA AND CONFECTIONERY,

Foulds, RT., Evaporating Maple Sap with Oil Burners., Vermont University Extension, Maple Research, 1963 3 pages MR #414,

Garrett, LD, H Duchacek, MF Morselli, FM Laing, NK Huyler, and JW Marvin., Increasing the Efficiency of Maple Sap Evaporators with Heat Exchangers., Vermont University Extension, Maple Research, 1977 14 pages NE #388,

NK Huyler, MF Morselli, JW Marvin, Duchacek, H, FM Laing, and LD Garrett., Sap Preheaters: Efficient Maple Syrup Processing., Vermont University Extension, Maple Research, 1978 15 pages MR #148,

Northeast Forest Experitnent Station., How to Build Your Own Maple Sap Preheater., Vermont University Extension, Maple Research, 1981 1 page MR #442,

Sendak, PE and FM Laing., Forced-Draft Wood Grate., Vermont University Extension, Maple Research, 1986 4 pages MR #236,

Underwood J. C., Willits C. O., Scale in maple-sirup evaporators.... How to remove it, United States Departement of agriculture, 1959

WILLITS, C. O. PORTER W. L. BUCH M. L., MAPLE SIRUP. V. FORMATION OF COLOR DURING EVAPORATION OF MAPLE SAP TO SIRUP., FOOD RESEARCH, VOL. 17, NO. 6, 1952

Y. Paquette, Nouveau Systeme D'Evaporation de la Seve a Basse Temperature, Equipement D'Erabliere, 1992