GEOMETRY IN EASY STEPS:AN INFORMAL APPROACH
PHILIP L.COX1983 年出版504 页ISBN：0205075738
A FEW STEPS TOWARDS 3D ACTIVE VISION WITH 58 FIGURES
1997 年出版243 页ISBN：3540631062
My First Steps Together 20 Starter pieces for 2 violins
Michael Nelson2011 年出版42 页ISBN：
ARTIFICIAL INTELLIGENCE AND NEURAL NETWORKS:STEPS TOWARD PRINCIPLED INTEGRATION
VASANT HONAVAR LEONARD UHR1994 年出版653 页ISBN：0123550556
