ISBN-13: 9781501312823. by Kathy K. Mullet. Author: Kathy K. Mullet. Concepts of Pattern Grading. This step-by-step introduction to grading combines the theory of pattern grading with its practical applications.
ISBN-13: 9781501312823. by Kathy K. Mullet. Author: Kathy K. Mullet. Concepts of Pattern Grading. This step-by-step introduction to grading combines the theory of pattern grading with its practical applications.