Soap bubbles and the forces which mould them /

Eitemau Tebyg

• Soap bubbles and the forces which mould them.
  gan: Boys, C. V.
  Cyhoeddwyd: (1959)
• Soap-bubbles their colours and the forces which mold them
  gan: Boys,C V
  Cyhoeddwyd: (1959)
• Bubble bubble
  gan: Hem shankar ray
  Cyhoeddwyd: (1997)
• Bubble bubble
  gan: Hem shankar ray
  Cyhoeddwyd: (1997)
• THE BUBBLE
  gan: MULK RAJ ANAND
  Cyhoeddwyd: (1984)