TY - BOOK AU - Jayasuruya, V. U. TI - Toxic chromosomal and genetic effects on drosophila melanogaster of some pesticidal formulations commonly used in Sri Lanka U1 - 595.7135095C PY - 1976/// KW - Insects KW - Biology N1 - A Thesis Submitted for the Degree of Master of Science of the Vidyodaya Campus of University of Sri Lanka ER -