Brecher, Erwin
Challenging science puzzles / Erwin Brecher and Mike Gerrard - New Delhi: Goodwill Publishing House, [date of publication not identified]. - 95 pages: illustrations ; 21 cm.
Includes index.
9788172451110
Science--Problems, exercises, etc.
CIR 500 B829 [c?].
Challenging science puzzles / Erwin Brecher and Mike Gerrard - New Delhi: Goodwill Publishing House, [date of publication not identified]. - 95 pages: illustrations ; 21 cm.
Includes index.
9788172451110
Science--Problems, exercises, etc.
CIR 500 B829 [c?].
