IS GLOSSARY OF TERMS AND SYMBOLS RELATING TO SOIL ENGINEERING
IS 2809 1972
IS GLOSSARY OF TERMS AND SYMBOLS RELATING TO SOIL ENGINEERING - 1 - DELHI BUREAU OF INDIAN STANDARD 1972 - 32
IS GLOSSARY OF TERMS AND SYMBOLS RELATING TO SOIL ENGINEERING - 1 - DELHI BUREAU OF INDIAN STANDARD 1972 - 32