A-1 (code) 1970-01-01
A¹ homotopy theory 1970-01-01
A2W reactor 1970-01-01
A3W reactor 1970-01-01
A440 (pitch standard) 1970-01-01
Aad van der Vaart 1970-01-01
Aage Bohr 1970-01-01
A. A. Griffith Medal and Prize 1970-01-01
AAI Aerosonde 1970-01-01
A. A. Khan (academic) 1970-01-01
Aaldert Wapstra 1970-01-01
A A Mamun 1970-01-01
Aanderaa–Karp–Rosenberg conjecture 1970-01-01
AA postulate 1970-01-01
Aaron D. O'Connell 1970-01-01
Aaron Klug 1970-01-01
Aaron Parsons 1970-01-01
Aaron Pixton 1970-01-01
Aaron Robertson (mathematician) 1970-01-01
Aaron Williams (composer) 1970-01-01