TY  - BOOK
AU  - Pfeiffer,William Sanborn
AU  - Padmaja, T.V.S.
ED  - South Africa.
TI  - Technical communication
U1  - 004.6 22
PY  - 2007///
CY  - New Delhi
PB  - Knowledge boulevard
KW  - Agriculture
KW  - South Africa
N1  - Some no. published in revised editions; No. 128 withdrawn by the publisher
ER  -