IS: 2500 (part II)-1965, . (1966). Sampling inspection tables, pt. II. ISI: New Delhi.
IS: 2500 (part II)-1965, . 1966. Sampling inspection tables, pt. II. ISI: New Delhi.
IS: 2500 (part II)-1965, . Sampling inspection tables, pt. II. ISI: New Delhi. 1966.