TY - BOOK ED - NationalWater Science Sansthan (Rurki) TI - Jal vigyaneeya paribhashayen: Hindi-Angrezi U1 - 333.91 21st PY - 1998/// CY - Rurki (U.P.) PB - National Water Science Sansthan KW - Water-Aeration; Science-Abbreviation; Science-Study and teaching ER -