TY  - BOOK
AU  - Nieker,Diane
TI  - Mabigat at magaan: heavy and light
SN  - 978-971-9900-53-5
U1  - FIL 530.81  
PY  - 2012///
CY  - Quezon City
PB  - C & E Publishing, Inc.
N1  - Include Glossary and Index; When is Something Light?--Can one Thing be Lighter than Another?--Which is Lightest--What does Heavy Mean?--Which is Heavier?--Which is Heaviest?--Is something Bigger always Heavier?--How Heavy it is?--What is Weight?--
ER  -