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[PDF] Calculus of variations in mathematical physics H. A Lauwerier  × 1 $19.99
[PDF] Rock physics and phase relations: a handbook of physical constants Thomas J. Ahrens  × 1 $19.99
[PDF] Sleep Needs, Patterns and Difficulties of Adolescents: Summary of a Workshop Forum on Adolescence, Youth, and Families Board on Children, National Research Council, Institute of Medicine, Mary G. Graham  × 1 $19.99
Subtotal $59.97
Total $59.97