TY - BOOK ED - Institution of Engineers (India) TI - Technorama U1 - 620 21 PY - 1992///- CY - Kolkata PB - Institution of Engineers (India) KW - Engineering KW - Periodicals KW - India N1 - Description based on: Vol. 42(T), no. 2 (July-Sept. 1992); title from cover; Issues for called also ER -