TY  - BOOK
AU  - Nigam, A. K.
AU  - Puri, P. D.
AU  - Gupta, V. K.
TI  - Characterizations and analysis of block designs
SN  - 8122400574
U1  - 310 
PY  - 1988///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Block designs
KW  - Blockplan
N1  - Includes bibliographical references and index
ER  -