الفترة:
Subjects: Data processing; Security measures; Magnetic cards; Standards
Subjects: Set theory
Subjects: Agricultural wastes; Chemistry; Organic wastes; Osmosis; Environmental aspects
Subjects: Construction; Contracting; Pavements
Subjects: Algorithms; Data; Encryption; Data processing
Subjects: Concrete
Subjects: Maintenance; Restoration
Subjects: Computing; Neural networks (Computer science)
Subjects: Algorithms; Bees
Subjects: Soil pollution
Subjects: Joints (Anatomy)