Specification for footballs, volley-balls, basket-balls and water polo balls
Indian Standards Institution
Specification for footballs, volley-balls, basket-balls and water polo balls - New Delhi 1953 - 0.666666667 - IS-417; Indian Standards Inst .
Specification for footballs, volley-balls, basket-balls and water polo balls - New Delhi 1953 - 0.666666667 - IS-417; Indian Standards Inst .